— Did you know any Chinese, Joyce, before you arrived in Beijing?
— In fact, never _______ it.
| A．have I learned | B．I have learned | C．had I learned | D．I had learned |
Do remember to remind her_________the gas before she leaves.
| A．of turning off | B．to turn off | C．turning off | D．turn off |
Last summer holiday, I went back to my hometown, ________ the neighbours and the house ________ I used to be familiar with were gone.
| A．only finding; which | B．only to find; that |
| C．to find; whom | D．found; that |
Nuclear science should be developed to benefit the people ______ harm them.
| A．more than | B．rather than | C．other than | D．better than |
—May I smoke here?
—If you ________, choose a seat in the smoking section.
| A．should | B．could | C．may | D．Must |
If you want to catch the first bus you’d better ________ for the bus station immediately.
| A．set up | B．set about | C．set down | D．set off |