because/because of
（1）The train was delayed ________ ice on the track.
（2）I bought the house ________ it was large enough.

单句语法填空
【小题1】Women who eat plenty of fresh vegetables are far less likely to suffer ____________ （anxious）.
【小题2】I'm very grateful ____________ you for all the help you have given me.
【小题3】____________ was the training that he received that made him such an excellent engineer.
【小题4】Emily told me she was allergic ____________ cats and needed a cat-free bedroom.
【小题5】Some journalists are guilty ____________ reporting the false murder just to sell papers.
【小题6】It's very important that you should apologize to her____________your rudeness.
【小题7】Would you like to introduce me to the girl with ____________ you talked just now?
【小题8】The fact ____________ the earth is becoming warmer and warmer has worried many scientists.
【小题9】Work hard, or you will be left ____________.
【小题10】It ____________ （confirm） by experience that this is the right approach to the command of grammar so far.

单句改错
【小题1】April Fools' Day is the day that people make fun of others.
___________________________________________________________________________________________
【小题2】The vase in that shop looks very nice and it is made from glass.
____________________________________________________________________________________________
【小题3】He is known as his being on time so I don't know the reason for his being late this time.
____________________________________________________________________________________________
【小题4】It was a good concert. I enjoyed the last song in particularly.
____________________________________________________________________________________________
【小题5】This job is a huge opportunity for all of you so you are supposing to work hard.
____________________________________________________________________________________________
【小题6】The house was in mess when my mother came home last night.
____________________________________________________________________________________________
【小题7】Halloween，one of the oldest holiday，is well known to people，especially in Europe and the US

A． ____________________________________________________________________________________________

【小题8】With the land covering with snow，you should drive particularly carefully.
____________________________________________________________________________________________
【小题9】As we all know，train and airplane tickets are very difficult to be gotten before the Spring Festival.
____________________________________________________________________________________________
【小题10】Ideal，we will find a solution to the problem if we work hard together.
____________________________________________________________________________________________

根据汉语或首字母提示填空
【小题1】I realized the sad man wanted to be alone so I felt my request very _____________ （尴尬的）.
【小题2】He kept on struggling forward， even though he knew it was h_____________ .
【小题3】You must have the courage to o_____________ all the difficulties in your life.
【小题4】I don't really know Peter， just a nodding a_____________ .
【小题5】Our business is built upon trust， and we will never _____________ （背叛）each other.
【小题6】After seeing a h_____________ movie， the little girl couldn't fall asleep.
【小题7】He knew he had hurt her and _____________ （祈求）her to forgive him.
【小题8】It is rude to make personal r_____________ about others privacy.

用所给词的适当形式填空
【小题1】I have every ________（confident）that the matter can be completed successfully.
【小题2】He came up with good ideas about the ________（promote）of the new product.
【小题3】A number of bombs have exploded, and seriously ________（injury）at least nine people.
【小题4】We try to maintain good ________（relate）with our friends.
【小题5】The whole world should work together in the ________（develop）of world peace.
【小题6】Dogs often ________（reaction）to kindness by wagging their tails.