问题

How much shall I pay for the phone call? —-You ____ .This is free of charge.

A:shouldn’t
B:can’t
C:needn’t
D:mustn’t

正确答案是：

同类题型

There are a lot _______ people today than yesterday.

The Huang River is the second __________river in our country

____ makes her different from the other students? — Honesty, I think.

Where is your father now– He _____Hong Kong. He____ there for three days.

116. His voice was ____ out by the traffic.