It’s necessary for you _____ exercise every day.
| A．taking | B．to take | C．take | D．takes |
—Could you tell me _____?
—Sorry, I don’t know.
| A．where are my socks | B．where can I find my socks |
| C．where my socks are | D．where my socks put |
The supermarket provides customers _____ plastic bags for free.
| A．on | B．with | C．of | D．in |
—Is it interesting to play computer games?
—Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.
| A．once | B．twice | C．as | D．as soon as |
She has _____ this car for nearly ten years.
| A．buy | B．bought | C．have | D．had |