题目
题型：同步题难度：来源：
A. has been developed
B. is being developed
C. is developing
D. has developed
答案
核心考点
试题【It is believed that a new kind of drug _____ by the scientists and they are hope】；主要考察你对被动语态等知识点的理解。[详细]
举一反三
— Oh, the bridge ahead _____.
A. is being repaired
B. is repairing
C. is repaired
D. is being repairing
— It"s reported that a new airport _____ twenty miles from the city now.
A. is being constructed
B. is constructing
C. has constructed
D. was being constructed
A. are exhibiting
B. is exhibiting
C. are being exhibited
D. is being exhibited
A. will be built
B. is built
C. has been built
D. is being built
一 Not yet. My house _____.
A. is painting
B. has been painted
C. is painted
D. is being painted
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