8．---Have you known Dr．White for a long time?---Yes.since he the English club．( )A．has joinedB——青夏教育精英家教网——

8．---Have you known Dr．White for a long time？---Yes，since he _____ the English club．（　　）

7．---How can he come up with such a perfect design？
---It alldependson his ability．

6．---What's your plan？
---I have made up my mind todevote most of my spare time to caring about the disabled．

5．---What did the teacher say？
---He told the two children to helpthemselves to the salad on the table..

4．Surprisingly，the performance supposed to be popular ______ to be a great disappointment．（　　）

3．---My bike is broken．May I go ________ yours？---Sorry，mine __________ broken down．（　　）

2．As we know，December is the last month of a year．

1．Pollutin Haze（雾霾） has been a big in China．We all feel it our duty to protect the environment．（　　）

20．-When did you know the good news？
-I knew nothing about it ________ my classmate told me．（　　）

19．---Listen!Is that Kate playing the piano in the room？
---No．It be Kate．She has gone to London．（　　）

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