问题

It is very kind ___ you to help me withmy housework It is hard _me to do allthe work

A:before
B:when
C:since
D:after

正确答案是：

同类题型

Kunming is _________ a City of Spring for its pleasant weather and beautiful views.

How manyteachersare there in your school—themovertwo hundred.

It’s sixty kilometers____ here to theschool.

Jim spent half an hour ______hiswork.

下列交际用语使用得体的一项是( )