It was the old clock that the old man spent the whole morning at home. A. repair
来源：网络
时间：
推荐文章
It was _____ the old clock that the old man spent the whole morning at home.
A. repair B. repairing C. to repair D. in repair
试题答案
B
解析:
本题仍考查的是强调句型。该句可还原为：The old man spent the whole morning at home (in) repairing the old clock。故选B。