题目
题型:模拟题难度:来源:
[ ]
B. are used
C. has been used
D. have been used
答案
核心考点
试题【Every possible means _____ to prevent the air pollution, but the sky is still no】;主要考察你对被动语态等知识点的理解。[详细]
举一反三
[ ]
B. have been let down
C. have been put down
D. am let down
B. married; has married
C. married to; has been married
D. married; has been married to
B. have been married
C. have got married
D. had married
good use of in the village school.
B. have
C. have been
D. has been
B. have been let down
C. have been put down
D. am let down
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