题目内容
. —What are you worrying about?
—It is ________ there is any chance of being infected by AH1N1 virus.
| A.why | B.that | C.if | D.whether |
D
解析
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题目内容
. —What are you worrying about?
—It is ________ there is any chance of being infected by AH1N1 virus.
| A.why | B.that | C.if | D.whether |
D
解析