Mr Black often _____ fishing on Sundays, _____ he ?
A. goes;doesn't
B. goes;isn't
C. doesn't go;goes
D. doesn't go;is
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He usually _____ TV on Sunday evening.
A. watch
B. watches
C. watching
D. is watching
Why are you___ a T-shirt? You’ll probably catch a cold in this cold weather
A. wearing
B. recycling
C. pulling
D. selling
How are you going to be a basketball player ?—I ____ every day.
A. am going to practice basketball
B. am going to study math
C. am going to take acting lessons
D. am going to study computer science
下列叙述正确的是
A. 天然橡胶可以利用硫磺进行交联反应
B. 纤维素甲基化是聚合度变大的反应
C. 聚丙烯酰胺水解可以达到100%
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