Question

10.Have you ever been to Guang zhou ,Mary?Yes ,I _____ there for

a week with my parents last vacation A, have gone B. have been C. went D.am going

Answer 1

选B

I have been there for a week
应该用have been，因为后面跟了for a week，所以要用延续性动词
A. have gone是非延续性动词，不能选
C. 因为提问用了现在完成时，所以回答也应该，不能选过去式
D. 同上，不能选进行时

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Answer 2

答案C
last vacation告诉是过去，所以D不对；
现在完成时A语法不对；
根据问题ever been和last vacation，虽然有for a week，可以判断这是一个过去时的语法

Answer 3

A是过去完成时，说明已经去过广州了。

Answer 4

B. have been

Answer 5

B. have been