题目
题型:模拟题难度:来源:
B. didn"t have
C. shouldn"t have
D. couldn"t have
答案
核心考点
试题【I would have called you up for help had it been possible, but I ____ your phone 】;主要考察你对一般过去时等知识点的理解。[详细]
举一反三
— Oh, I"m sorry. I _____ the dustbin there.
B. didn"t see
C. can"t see
D. haven"t seen
— Well, our team was ahead by 2 to 0 during the first half, but we _____ in the last ten minutes.
A. had lost
B. have lost
C. were losing
D. lost
B. have you stayed
C. were you staying
D. have you been staying
— Yes. I _____ in London for two years.
B. stayed
C. had stayed
D. have been staying
B. taught
C. had taught
D. has been teaching
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