She is a well­known doctor now, but she ________ as a cleaner at the hospital f

She is a well­known doctor now, but she ________ as a cleaner at the hospital f

题型:不详难度:来源:
She is a well­known doctor now, but she ________ as a cleaner at the hospital for five years.
A.has workedB.worked
C.had workedD.works

答案
B
解析
B 考察动词时态。句意:她现在是一个有名的医生,但是以前她在那家医院里做了五年的清洁工。分析句子可知,她现在是医生,当清洁工是五年之前发生的事情,所以使用一般过去时,表示过去发生的事情。故B正确。
举一反三
—The heavy snow hasn"t caused any inconvenience to people in Nanjing, has it?
—Yes. Just imagine the city ________ with nearly 20 centimeters of snow one night.
A.has been hitB.was hit
C.had been hitD.is hit

题型:不详难度:| 查看答案
—Was he still there when you were away to answer the phone?
—There is no doubt about it, but he ________ soon afterwards.
A.had leftB.has left
C.is leavingD.left

题型:不详难度:| 查看答案
—That must have been a terrifying experience.
—Yeah. I ________ in the damaged car, unable to move.
A.was stuckB.have been stuck
C.am stuckD.had been stuck

题型:不详难度:| 查看答案
—Have you heard about that school bus accident?
—Yes, fortunately all on board including the driver ________.
A.were savedB.was saved
C.have savedD.has been saved

题型:不详难度:| 查看答案
After working until midnight for two weeks, he finally ______ and had to stay in the hospital.
A.broke up B.gave inC.broke downD.gave up

题型:不详难度:| 查看答案
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