问题
Is this a ring–__________.
A:Yes，this is
B:Yes，it is
C:Yes, it’s
D:No, it is;
B:Yes，it is
C:Yes, it’s
D:No, it is;
正确答案是：
同类题型
How was the televised debate last night—Super! Rarely _____ so much media attention
Do you mind _________your room —No, I’ll do that after finishing _________this article.
The computer cost him 20, 000 dollars. —It ____ be that expensive.It’s a used computer.