1. 用方框中所给单词的适当形式填空。

energy     solve    difficult    sad    match

1. （1） She learned driving without any .

3. （2） We think that John has some problems the maths problem.

5. （3） Some colours can make you feel .

7. （4） I'd like a pair of glasses that my face.

9. （5） Get out of , or your mother may worry about you.