Question

用“be动词”或“助动词”的适当形式填空：

Answer 1

1.is;are

2.are;are

3.is;is;

4.Is;isn't

5.Are; am

6.is

7.Do;don't

8.do

9.Are; are

10.Does;does

11.is

12.be

13.Don't

14.be

15.Did;didn't

16.Does;doesn't

17.Is;isn't

18.Do;do

19.Does;doesn't

20.Are;are

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