Unit 1 Where do you want tospend your summer vacation this year?
Unit 2 How many people are there in your family?
Unit 3 You mean you want to be an Olympic volunteer?
Unit 4 I helped my mother do housework yesterday.
Unit 5 Do you use the Internet a lot?
Unit 6 There will be a fashion show in the National Theatre.
Unit 7 It's our duty to protect the environment.
Unit 8 The adverts bring us too much trouble.
Unit 9 I have to prepare for the coming PETS.
Unit 10 Do you want a part-time or a full-time job?
Revision 2
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