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 |
Now that she is out of job, Lucy ___ going back to school, but she hasn’t decided yet.
| A．had considered | B．has been considering |
C．considered | D．is going to consider |
—What a large crowd!—They ______ in the cold wind for hours; the famous star will come today.
| A．waited | B．were waiting |
C．are waiting | D．have been waiting |
Young people always look into the future, while old people like to look back into the past. This is ______ both men and women.
| A．true of | B．different from | C．similar to | D．difficult in |
______ cold, he covered his blanket, ______ only his arms ______.
| A．Felt, left, uncovered | B．Feeling, left, uncovered |
| C．Feeling, leaving, uncovered | D．Felt, left, uncovering |
—I believe we will have a good time with Miss Green in your birthday party.
—Maybe. But it is still a question, you know, ______ she can spare time to come.
| A．whether | B．/ | C．that | D．which |