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 |
---Do you need some milk?
---Yes, I .
| A．needed | B．need | C．do | D．did |
Would you like apple or orange?
| A．a, an | B．an, an | C．a, a | D．an, a |
---is Michael Jordan?
--- A famous basketball player.
| A．Where | B．Which | C．Who | D．What |
---Would you like a cup of tea?
---.
| A．Yes, OK | B．I think so | C．That’s all right | D．No, thanks |
---Hello, May I speak to John?
---, please call back later.
| A．Wait a minute | B．I’ll look for him |
| C．Sorry, he isn’t in | D．I’m busy now |