This case is too heavy. Could you _____ me a favor?
A．to do B．doing C．do
—What did our geography teacher say?
—She told us that the earth _____ around the sun.
| A．moves | B．moved |
| C．has moved | D．was moving |
When we went into the park, we saw someone _____ Chinese Kungfu.
| A．plays | B．played |
| C．to play | D．playing |
—How about going hiking this weekend?
—Sorry, I prefer _____ rather than _____.
| A．to stay at home; go out | B．to go out; stay at home |
| C．staying at home; go out | D．going out; stay at home |
—Have you ever _____ Mudanjiang to see the Jingbo Lake?
—Yes, I have.
| A．went to | B．gone to | C．been in | D．been to |
You’d better speak aloud ______ we can hear you.
| A．so that | B．as … as |
| C．as if | D．since |