So fast ________ that I could not catch up with them.
| A．did they run | B．they had run | C．they ran | D．had they run |
—Do you like pets?
| A．have | B．catch | C．keep | D．taste |
We will appreciate____ if your parents can help us.
| A．/ | B．that | C．it | D．this |
—Shall we go to see him right now?
—I’m afraid not. This weekend may be a ____time
| A．good | B．better | C．best | D．well |
---It is required that you____ change the plan.
---Oh, no! Why____ I follow you again?
| A．must, must | B．can, need | C．need, should | D．should, must |
第二节语法和词汇知识（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
—What' s ____ population of China?
—As far as I know China has ____ population of about1. 3 billion
A. a; the B. a; a C. the; the D. the; a