题目
题型:不详难度:来源:
-----The windows must have taken you quite a long time that day.
------Right. They for weeks.
A.haven’t been cleaned | B.hadn’t been cleaned | C.didn’t clean | D.haven’t cleaned |
答案
解析
核心考点
试题【-----The windows must have taken you quite a long time that day. ------Right. Th】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
Mr. Smith found that gas from the pipe when he came back because we forgot to switch off. But at last we were lucky to escape .
A.escaped, being punished | B.was escaping, being punished |
C.escaped, punishment | D.was escaping, punishing |
---Where _______ my book ? I can"t see it anywhere.
--- I _______ it on this table . But now it"s gone .
A were you putting ; have put B. had you put ; was putting
C have you put ; put D. did you put ; have put
一Thanks.But I never thought the result came out so fast.The papers when I left the
Teacher’s office just now.
A.had been marked | B.were still being marked |
C.are still marking | D.had been marking |
The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
A.has passed | B.had passed | C.passed | D.have passed |
——Is there any possible way to help them get rid of such a bad habit?
——To tell the truth, it’s very hard. But we_______ on this problem.
A.worked | B.had worked | C.are working | D.had been working |
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