11.It was about 600 years ago__________the first clock with a face and an hour hand was made.
A.that B.until C.before D.when(NMET97)
12.It was only when I read his poems recently__________I began to appreciate their beauty.
A.until B.that C.then D.so(NMET98)
13.Is__________possible to fly to the moon in a spaceship.
A.now B.man C.that D.it(MET88)
14.I was disappointed with the film,I had expected__________to be much better.
A.that B.this C.one D.it(MET93)
15.I don't think__________possible to master a foreign language without much memory work.
A.this B.that C.its D.it(MET90)
参考答案及详解
11.A。此题强调状语,还原成陈述句为:The first clock with a face and an hour hand was made about 600 years ago.
12.B。此题强调时间状语从句。
13.D。该题考查考生对先行词it的用法及对句子结构的理解和掌握情况。笼统地看,四个选项都与题干有密切的关系。但分析句子结构后,就会发现,空格处缺少的是能替代动词不定式作主语的词;而四个选项中唯有D项(it)能充当此任。
14.D。这里的it用来指代前句中the film一词。
15.D。it作形式宾语。