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用 have(has)been 或 have(has)gone填空。
A：Where ________ Li Fei ________?
B：He ________ ________ to Hainan Island．
A：How long ________ he ________ there?
B：He ________ there for three days．
A：When will he come back,do you know?
B：I'm afraid he won't come back recently．
A：Could you tell me the way to Hainan Island?
B：Sorry,I ________ never ________ there．
A：How many times ________ Li Fei ________ to that place?
B：He ________ there only once．
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