It is important ______ us ______ English well.A:for, to study B:for, to studying C:to, to study D:to, studying
问题描述:
It is important ______ us ______ English well.
A:for, to study
B:for, to studying
C:to, to study
D:to, studying
答
for us to study
答
A It's adjective for sb to do something..
答
A
固定短语:it be adj.(for sb.) to do sth.