---Must we leave the classroom now?
---No, you _____. You _____ leave after the bell rings.
| A．mustn't; are allowed to | B．don't have to; might |
| C．needn't; can | D．can't; are supposed to |
It was in the street ______I met xiao zhang_____the fire took place
A.which/which B.that/that C where /that D why/that
____people _____were killed or injured reached more than 400,000
A.The number of,who B A great number of,who
C The number of, which D .A great number of,whom
His parents wouldn’t let him marry anyone ______family was poor.
| A．that | B．which | C．whom | D．whose |
Listen, Do you hear someone _____for help?
| A．calling | B．call | C．to call | D．called |
___It’s getting late, I’m afraid I must go now.
— Ok. _______.
A.Take it easy B Go slowly C. Stay longer D. See you