题目
题型:0103 月考题难度:来源:
A. is used; not to pollute
B. has used; is not polluted
C. is being used; do not pollute
D. has been used; not pollute
答案
核心考点
试题【New technology _____ to make sure the cars, taxis, buses and trains we use _____】;主要考察你对被动语态等知识点的理解。[详细]
举一反三
— Have a nice trip.
A. is being announced
B. has announced
C. was announcing
D. had been announced
A. is fixing on
B. has fixed on
C. is being fixed on
D. had been fixed on
A. is experimenting
B. is experimented
C. is being experimented
D. has been experimented
— Oh, the apartment _____.
A. is painted
B. has been painting
C. is being painted
D. has been painted
A. has been painted
B. was painted
C. is being painted
D. is painted
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