My mother prefers coffee ____ milk. She thinks it tastes much better than black coffee.
| A．to | B．than | C．with | D．for |
There used to be a few houses on side of the road, but now there are .
| A．both, nothing | B．either, nothing |
| C．both, none | D．either, none |
Sandy’s colour ________ be blue because she likes to be the leader, so it _______ be red.
| A．should , must | B．can’t , must |
| C．couldn’t , mustn’t | D．must , can’t |
I don’t have _________ to finish the work, because I’m not _________.
| A．enough energy, healthy enough |
| B．enough energy, enough healthy |
| C．energy enough, healthily enough |
| D．energy enough, enough healthy |
He doesn’t know _________ to stay here or not.
| A．if | B．weather | C．whether | D．that |