问题
选择题
They ______Hong Kong twice.
A．have gone to
B．have been to
C．have been in
D．have gone in
答案
答案：B
考查谓语动词。have been to去过，已经回来了，have gone to去了，还没回来，根据句意可知选B。
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They ______Hong Kong twice.
A．have gone to
B．have been to
C．have been in
D．have gone in
答案：B
考查谓语动词。have been to去过，已经回来了，have gone to去了，还没回来，根据句意可知选B。