现在完成时—— Have you ever been to the Summer Palace ---- Yes ,we
现在完成时
—— Have you ever been to the Summer Palace
---- Yes ,we have .
---- When _______ you ____ there
---- Last month .( B )
A.have;gone B.did; go C.will; go D.is;going
这道题为什么选 B 而不选 A
—— Have you ever been to the Summer Palace
---- Yes ,we have .
---- When _______ you ____ there
---- Last month .( B )
A.have;gone B.did; go C.will; go D.is;going
这道题为什么选 B 而不选 A
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