--- Is Lucy knocking at the door?
--- No. It ______ be Lucy. She is in America now.
| A．may not | B．mustn’t |
| C．can’t | D．shouldn’t |
---do you surf the Internet?
--- Once a week.
| A．How often | B．How long | C．How soon | D．How many |
He hardly ever feels tired, ______?
| A．is he | B．isn’t he | C．does he | D．doesn’t he |
Could you please give me______ on how to improve my English?
| A．a piece of advice |
| B．some piece of advice |
| C．some advice |
| D．an advice |
Don’t worry about , mum. I’m old enough to look after .
| A．I; me | B．me; mine | C．mine; me | D．me; myself |
---_____book is this?
--- I think it _____ Carla’s. It has his name on it.
| A．Who is, could be |
| B．Who’s, might belong to |
| C．Whose, must be |
| D．Whose, can’t belong to |