—Mum, must I stay there the whole day?
--No, you ______. You ______ come back after lunch, if you like.
| A．mustn’t; can | B．needn’t; must |
| C．needn’t; may | D．can’t;must |
There used to be a lot of tall buildings,_________?
| A．didn’t it | B．didn’t there |
| C．wasn’t there | D．did there |
---Do you know ______famous tennis player named Li Na?
---Yes. She plays tennis well.
| A．a | B．an | C．the | D．/ |
—The song Where did the time go ________ the old days and the love of family.
—Sure. It’s my favorite song.
| A．helps us out | B．reminds us of |
| C．lets us down | D．regards us as |
I don’t know with this problem．It’s too hard．
| A．which to do | B．when to do |
| C．what to deal | D．how to deal |