三、从方框中选择合适的词组，并用其适当形式填空。 
call in，rather than，knock on，let...down，leave out
【小题1】Ann came in without ___________________the door.
【小题2】It always ________me _________when I don't get any email from my best friend.
【小题3】If we _____________the second sentence，we can also understand the meaning of the passage.
【小题4】I think you are doing this for yourself _________________for others.
【小题5】How many friends will you _______________to the party?