Trains with the first letter D or Z can run __________a speed of more than 200 kilometers an hour when it travels __________ thedesert

But for the fact that China ______ also affected by the global financial crisis, we _____ fewer unemployed workers now.[ ]

did you see Mr. Chapman in the office just now－Yes, he ________, and he looked a little bit nervous.

_______, we’ll support you

If people keep polluting the rivers, no fish there will survive ______.