1. (2017七下·潮州期中) 用所给词的正确形式填空。

1. （1） Look at the sky. It's (sun) today.
3. （2） (woman) don't like working at night.
5. （3） Jim practices (play) the piano every day.
7. （4） My father often (relax) on the weekend.
9. （5） The girl is (sit) on the floor.
11. （6） Look! What are the (child) doing ?
13. （7） There are (多于)50 students in our class.
15. （8） English is  (a/an) useful subject.
17. （9） Please tell him (call) me back.
19. （10） Mrs Green teaches English, so she is English teacher.(we)