题目内容
There is no doubt ________first aid is only a temporary form of help given to a patient.
A.whether B.if C.that D.which
C
There is no doubt that...是固定句式,that引导的是同位语从句。若换成some则要用whether。
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题目内容
There is no doubt ________first aid is only a temporary form of help given to a patient.
A.whether B.if C.that D.which
C
There is no doubt that...是固定句式,that引导的是同位语从句。若换成some则要用whether。