— Is it OK if I take this seat?
—Sorry,___________.
| A．here you are | B．take it | C．it is taken | D．never mind |
Much attention should be paid _________people’s living conditions.
| A．in improving | B．to improve | C．improving | D．to improving |
You can eat food free in my restaurant ________ you like.
| A．whenever | B．wherever | C．whatever | D．however |
Hurry up, ________you’ll miss the bus.
| A．and | B．while | C．but | D．or |
—The light in the office is still on.
—Oh, I forgot_________________.
| A．turning it off | B．turn it off | C．to turn it off | D．having turned it off |
—Have you _________some new ideas?
—Yeah, I’ll tell you later.
| A．come about | B．come into | C．come up with | D．come across |