---Look at the boy running on the playground. Is it David?
---It ______ be him. I saw him go to the teachers’ office just now.
| A．mustn’t | B．can’t | C．couldn’t | D．must |
If you plan to travell,why not to Hongkong.
A.consider goingB.consider to go C.considering going
—Hello!Amy,could you come to my birthday party?
--I’d love to,but my grandmother is ill.I have to her.
A.look atB.look after C.look up
Do you know?
A.what’s her telephone number
B.what her telephone number is
C.her telephone number is what
The doctor is always strict his work.
A.with B.in C.at
Could you tell me something about the boy?
--He is a hero saved two lives in the earthquake.
A.who;children B.which;childrens’ C.who;children’s