I thought Jim would say something about his school report, but he ______ it.
| A．doesn’t mention | B．hadn’t mentioned |
| C．didn’t mention | D．hasn’t mentioned |
As we all know, , the pollution will get worse and worse.
| A．not if carefully dealt with |
| B．until not carefully dealt with |
| C．if not carefully dealt with |
| D．when not carefully dealt with |
—It is a long timeI saw you last time.
—Yes. And it will be a long timewe see each other again.
| A．when; before | B．after; when |
| C．since; before | D．since; until |
many times, but he still couldn’t remember the Chinese meaning of this word.
| A．Having been told | B．Although he had been told |
| C．He had been told | D．He has been teaching |
Whenever I enter the library, I see himat the back of the library reading.
| A．sit | B．sat | C．seating | D．seated |
This sweater fits me, but I can’t afford to buy. I have to choosewhich is cheap enough for me.
| A．it; that | B．that; it |
| C．it; one | D．that; the one |