题目
题型:0116 期末题难度:来源:
A. had decreased
B. decreased
C. has been decreasing
D. is decreasing
答案
核心考点
试题【Over the past decades, sea ice _____ in the Arctic as a result of global warming】;主要考察你对过去将来完成时等知识点的理解。[详细]
举一反三
— No wonder. You _____ in front of the computer too long.
A. have worked
B. are working
C. have been working
D. worked
一 I think so. He _____ for it for months.
A. is preparing
B. was preparing
C. has been preparing
D. had been preparing
— This is the job that I _____ for.
[ ]
B. am to look
C. had looked
D. have been looking
A. are working
B. have been working
C. worked
D. had worked
一 Well, it isn"t surprising. Our friends and relatives _____ around all the time.
A. are coming
B. had come
C. were coming
D. have been coming
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