问题

This is ________ article written in English. I think English is ______ useful language.
A:is
B:are
C:was
D:be;
B:are
C:was
D:be;
正确答案是:
同类题型
I______ thank you too much for all your help to my son while we were away from home.
___ is believed ___ more and more people would fly to the moon in the future
We didn’t have a night these days because of too much work.
He often borrows money _______ others but he doesn’t lend anything ______ anybody.