—What do you want to buy?
—____
| A．Two pairs of glove. |
| B．Two pair of gloves. |
| C．Two pair gloves. |
| D．Two pairs of gloves. |
Teachers should _____ their students to practice _____ English as much as possible.
| A．encourage; speaking | B．let; speak |
| C．make; speak | D．keep;speaking |
China takes the leading position _____ space industry.
| A．in | B．at | C．of | D．up |
I spend much money on books _____ I am not rich.
| A．but | B．so | C．even though | D．as if |
—What a nice classroom!
—It _____ every day.
| A．is cleaning | B．has cleaned | C．must clean | D．is cleaned |
I don’t knowwith this problem．It’s too hard．
| A．which to do | B．when to do | C．what to deal | D．how to deal |