问题
选择题
Life in the 21st century is much better than_____ used to be.
A.that
B.it
C.what
D.one
答案
答案:B
考察it做形式主语。本题中it代替前文Life in the 21st century做下文形式主语,其它选项没有这个用法,故选B。
Life in the 21st century is much better than_____ used to be.
A.that
B.it
C.what
D.one
答案:B
考察it做形式主语。本题中it代替前文Life in the 21st century做下文形式主语,其它选项没有这个用法,故选B。