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题目
题型:月考题难度:来源:
Many rivers ________. [     ]
A. have became polluted
B. have become polluted
C. have been polluting
D. have become polluting
答案
B
核心考点
试题【Many rivers ________. [     ]A. have became polluted B. have become polluted C. 】;主要考察你对实义动词等知识点的理解。[详细]
举一反三
Your son is old enough to _____ himself. [     ]
A. wear
B. dress
C. put on
D. have on
题型:月考题难度:| 查看答案
The film ________ for five minutes when she got there. [     ]
A. has begun
B. has been on
C. had begun
D. had been on
题型:月考题难度:| 查看答案
The traffic accident _____ a large crowd.  [     ]
A. charmed
B. signal
C. call
D. attracted
题型:同步题难度:| 查看答案
— May I _____ your dictionary for a moment?      
— Sure.[     ]
A. borrow
B. lend
C. get
D. keep
题型:同步题难度:| 查看答案
_____ your parents are not at home. What should you do? [     ]
A. Try
B. Be supposed
C. Suppose
D. Think
题型:同步题难度:| 查看答案
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