题目内容
—Is Tom still in New York or already back at home??
—I’m not sure _________. I’ll call to make sure.
A. if he has been back???? ????????????? ????????????? ????????????? B. that he has come back
C. why he has come back??? ????????????? ????????????? ??? D. how he will be back
【答案】
A
【解析】
试题分析: 句意:汤姆还在纽约还是已经回国了?我不确定是否他已经回来了。我会打电话确认的。if he has been back是否他已经回来了, that he has come back他已经回来了,why he has come back为什么他已经回来了,how he will be back他将怎么回来;根据not sure不确定,可知选A。
考点:考查宾语从句。
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