问题补充：
It was because of the bad weather the sports meet was put off.
A. when
B. which
C. where
D. that
答案：
A. when
B. which
C. where
(答案→)D. that
解析：考查It was。。。that强调句型；去掉It was和空后，剩下the sports meet was put off because of the bad weather。是一个完整的句子，所以是强调句型。选D。
