问题

here any possible way to help thechildren get rid of such a bad habit— To be honest, it’s very hard, but we______on this problem.

A:work
B:worked
C:are working
D:were working

正确答案是：

同类题型

下列各句中，没有语病的一项是（）

There are too many students asking teachersto help in the teachers’ office, but this room is ____ small ____ hold them.

My computer ____start, no matter how hard I try.–It might have crashed.

Helen ________watch TV at home _______ hangout with her friends.

I hear you______ in a sports center. What’s it like – Well, it’s very hard work and I’m always tired, but I don’t mind.