超星 - 进阶篇-语法篇-动词的时态与语态 - 查题吧

单选题

Is this the ﬁrst or the second time that you __________the safari park?

A. had visited
B. have visited
C. visited
D. visiting

单选题

The old palace caught ﬁre last month, and little of the original building __________now.

A. remains
B. is remained
C. is remaining
D. has been remained

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