问题
We have only one earth. We should ____ and take actions to protect it.
A:is used to
B:was used to
C:used to
D:get used to;
B:was used to
C:used to
D:get used to;
正确答案是：
同类题型
He looks tired. We’d better make him _______a rest in the room.
Charles is believed_______ the floor yesterday; he is always helping others silently.
His father has been _______ for three months because of the theft.
I think you can’t believe I had to pay $20 a haircut—You should try the barber’s I go. It’s only $5.