-- Look at the boy running on the ground. Is it David?
-- It _______ be him. I saw him go to the teacher’s office just now.
| A．might | B．could |
| C．can’t | D．mustn’t |
Chongqing is ____________ lively city with many places to have fun.
| A．an | B．a | C．the | D．/ |
— Do the dishes, Mike, or I will tell mum!
— _______, Sue!
| A．You are welcome | B．Mind your own business |
| C．It’s my duty | D．Never mind |
The top detective asked the witness if he had seen _______ at about 10 p.m.
| A．anything unusual last night | B．unusual something the night before |
| C．something unusual last night | D．anything unusual the night before |
It’s raining outside. _______ this raincoat, please.
| A．Have on | B．Put on | C．Put up | D．Wear |
Mr. Wang _______drive to work, but now he _______there by bike to keep healthy.
| A．used to; is used to going | B．used to; is used to go |
| C．was used to; is used to going | D．was used to; is used to go |