问题

Could I use your mobile phone, Tim— Of course you can, but you ________ use it in the reading room.

A:must
B:mustn’t
C:can
D:couldn’t;

正确答案是：

同类题型

Mama, why can’t I work the math problem out?—Oh, let me see. Well, you a figure here. Got it?

与“《齐谐》者，志怪者也”句式相同的一项是(　　)

Great changes _______ in his hometown in the last twenty years

Li Ming asked Jenny _____ and said he wanted to see her the next week.[ ]

_______ only 20 minutes to go before the train left, I felt uneasy in the taxi to the railway station.