is —possible for her to finish the work in an hour.中间空应该填什么?A.this B.that C.one D.it

问题描述:

is —possible for her to finish the work in an hour.中间空应该填什么?A.this B.that C.one D.it

D.it
it为句子的形式主语,真正的主语是to finish the work in an hour