He looks good ____red while black looks good _____me.
| A．in ; on | B．on; in |
| C．in; in | D．on; on |
Don’t _____ your hands from the window when you are on a bus.
| A．put on | B．take off | C．put out | D．throw away |
Maria has _____ trouble _____ math, so she often asks her math teacher for help.
| A．much; understanding | B．no; with |
| C．many; understanding | D．not; to understand |
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 |