问题补充:
. It was the fact his father was ill in hospital worried him and kept him awake for a whole night .
A. which ; that
B. which ; which
C. that ; which
D. that ; that
答案:
A. which ; that
B. which ; which
C. that ; which
(答案→)D. that ; that
解析:考查同位语从句和强调句型。第一空是同位语从句,that后的从句解释前面的名词the fact,第二空,用that是强调句型的标志,所以选D。