27．My mother is a________ in a hospital.

26．What________ are trees? They’re green.

25．I can_______ the piano.

24．The library is in________ of the lab．

23．We are________. We like school.

22．What’s this in________?

21．________ are 20 books on the desk.

16．bl___ck  17．welc__me   18．sist___r   19．eleve___    20．factor___

六、请在方框内选择适当词语填入句中, 使其完整流畅。（10分）

 English    doctor    students    front     play

There     colour     under     singing    summer

11．he___d   12．c___t      13．d___sk   14．teac___er    15．tre___

9．___________Mm___________10．________Yy___________

五、请写出下列单词所缺字母。（10分）