去掉一个字母成为另一个单词，并写出该单词的中文意思。
例：o’clock
1. wear  (    )  2. your  (    )
3. what  (    )  4. then  (    )
5. she  (    )

从所给字母串中圈出正确的单词，将其写下来，并写出其汉语意思：
thungrytb ______________ ______________

改写单词(替换、添加或去掉一个字母)并组成词组，只许更改一处。
1. you ________________________
2. this ________________________
3. back ________________________
4. game ________________________
5. light ________________________

Fill in the blanks according to the first letter given to complete the sentences (根据首字母填入适当的单词)
1.John is more i________than Tom.   
2.I have a s________everyday in summer.   
3.I go to school on foot i________of by bike.   
4.It is very i________for us to learn English well.   
5.Water c________almost three quarters of the Earth.   
6.Tigers are one of the most d________animals.   
7.We can save water by f________a dripping t________.   
8.Farmers need to water the c________and v________on their farms.

_ _ eful (   )

A．is

B．uz

C．us