The manager entered the office and was happy to learn that four-fifths of the ti

题型：模拟题难度：来源：

The manager entered the office and was happy to learn that four-fifths of the tickets ______. [     ]
A. was booked
B. had been booked
C. were booked
D. have been booked

答案

举一反三

Neither side was willing to give in at all. As a result, no agreement __________.[     ]
A. was reached
B. has reached
C. had reached
D. had been reached

题型：贵州省模拟题难度：| 查看答案

Experiments of this kind ________ in both the U. S. and Europe well before the Second World War.[     ]
A. have conducted
B. have been conducted
C. had conducted
D. had been conducted

题型：同步题难度：| 查看答案

He collected information on 1,000 people, whose IQ ________ when they were ten years old.[     ]
A. is tested
B. has tested
C. would test
D. had been tested

题型：同步题难度：| 查看答案

The nine coal miners ________ in the coal mine for 20 hours before we came to their rescue in Yanshan
County, Jiangxi Province.[     ]
A. had trapped
B. had been trapping
C. would have been trapped
D. had been trapped

题型：同步题难度：| 查看答案

He collected information on 1,000 people, whose IQ when they were ten years old.[ ]
A．is tested
B．has tested
C．would test
D．had been tested

题型：同步题难度：| 查看答案