问题

le’s house inthe downtown area is much smaller than ours, but it is twice ____ expensive
A:should be
B:must be
C:is
D:are
B:must be
C:is
D:are
正确答案是:
同类题型
They stood there with their eyes____ , watching over what was happening.[ ]
I wonder____ she will come back or she will go straight to Beijing.[ ]
Jim’s seldom been late for school,_____ —______. He always gets to school on time.
We haven’t enough books for everyone; someof you will have to _____
Can you see ______ —No. Let’s go and have a look. Maybe we can help them.