问题
Where have you___________, Mike? I have ____________ to the library with my friends.
A:been; gone
B:gone; been
C:been; been
D:gone; gone
B:gone; been
C:been; been
D:gone; gone
正确答案是：
同类题型
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_____frightened us ____the electricity was suddenly cut off, which threw all of us into the dark.
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