题目
题型:模拟题难度:来源:
exchanges in the educational fields.
B. have been going
C. has been going
D. are going
答案
核心考点
试题【An average of 130,000 Chinese aboard for studies every year over the past 】;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
B. had type
C. has been typed
D. has been typing
__Oh,sorry,sir.Just one more minute,please.
B.was waiting
C.have been waiting
D.had waited
—No,but we _____ to get in touch with them ever since.
B. have been trying
C. had tried
D. had been trying
B. had type
C. has been typed
D. has been typing
—I don"t know ______ day in and day out.
B. He has worked
C. He had been working
D. He was working
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