:I.用适当的代词填空。
1. David is American. ________ is a good
student.
2. Mary wants to do ________ homework with
________ classmates.
3. Toms uncle does ________ work very
well. ________ is great.
4. The students are tired. ________ want to
have a rest.
II.将下列句子改成否定句、一般疑问句并作肯定、否定回答。
1. Lucys friends play
volleyball. 2.
Tom is having his supper.
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