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20．-I hear you've just returned from Australia．
-Yeah．I ______ there on business．（　�。�

A．

B．

went

C．

have gone

D．

had gone

分析 ---我聽說你已經從澳大利亞回來了．---是的．我去那里出差了．

解答答案：B 該題不能用現在完成時，因為"I have gone there on business．"意為"我去那里出差了"（說明我現在已經不在這里）；但是根據"…you've just returned from Australia…你已經從澳大利亞回來了"可知，不是去了那里，而是已經回來了；故C 不正確．所以出差應該是發生在過去的動作，該句要用一般過去式，即使用go（不規則動詞）的過去式形式went．故選B

點評本題考查的是一般過去時的用法，要注意它與現在完成時態的區別；還要記住規則動詞及不規則動詞的過去式的形式．

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