问题补充:
There is no doubt at all she will call us when she gets there.
A. if
B. whether
C. what
D. that
答案:
A. if
B. whether
C. what
(答案→)D. that
解析:考查同位语从句:doubt是同位词,同位语从句是doubt的内容,因为是没有怀疑,所以是肯定的事情,用that连接同位语从句,that不做成分,只起到连接的作用。句意:毫无疑问她到的时候会打电话给我们。选D。