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题目
题型:不详难度:来源:
I could have turned to Mr. Smith for help, but he ______ too busy then.
A.isB.wasC.should beD.has been

答案
B
解析
本题句意“我本可能救助鱼史密斯先生的,但是他那时实在太忙了”。本句中的could have turned说明了动作发生在过去,有but转折连词,导出了后句的事实性。
核心考点
试题【I could have turned to Mr. Smith for help, but he ______ too busy then.A.isB.was】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I _____ in my office.
A.is being workedB.will work C.will be working D.will have worked

题型:不详难度:| 查看答案
His sister left home in 1998, and__________ since.
A.had not been heard ofB.has not been heard of
C.had not heard ofD.has not heard of

题型:不详难度:| 查看答案
Edward, you play so well. But I __________ you played the piano.
A.didn’t knowB.hadn’t known
C.don’t knowD.haven’t known

题型:不详难度:| 查看答案
—When__________ and visit our exhibition next month?
— When_______, I will let you know.
A.will he come; he will come
B.will he come; he comes
C.does he come; he will come
D.does he come; he comes

题型:不详难度:| 查看答案
—The dinner was delicious!
—I agree. I am so full.
—That’s too bad. But some dessert ____.
A.has orderedB.will be ordered
C.has been orderedD.was going to be ordered

题型:不详难度:| 查看答案
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