---When will the expert come and give the lecture on intellectual property? ---N

题型：江苏专项题难度：来源：

---When will the expert come and give the lecture on intellectual property?
---Not until our program _______ by the authorities. [ ]
A. approves
B. has been approved
C. is to approve
D. will be approved

答案

举一反三

Nothing but some ancient Chinese coins _______ in the sunken ship since they began the exploration.[ ]
A. were found
B. has been found
C. had been found
D. have been found

题型：江苏专项题难度：| 查看答案

— Why does the lake smell terrible?
— Because large quantities of water _________.[     ]
A. have been polluted
B. has polluted
C. have polluted
D. has been polluted

题型：云南省期中题难度：| 查看答案

When and where to go for the on-salary holiday ____yet.[     ]
A. are not decided
B. have not been decided
C. is not been decided
D. has not been decided

题型：同步题难度：| 查看答案

—Why does the lake smell terrible?
—Because large quantities of water ________. [ ]
A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted

题型：江苏专项题难度：| 查看答案

By the time I arrived at the hospital , his wound . [ ]
A. had treated
B. was treated
C. treated
D. had been treated

题型：河北省模拟题难度：| 查看答案