题目内容
—What's wrong with your uncle?
—We're sure____ something is wrong with him, but we doubt_____ the disease can kill him.
A.if; whether B.that; that
C.whether; if D.that; whether
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题目内容
—What's wrong with your uncle?
—We're sure____ something is wrong with him, but we doubt_____ the disease can kill him.
A.if; whether B.that; that
C.whether; if D.that; whether