—What should we do to prevent H7N9 bird flu?
—We must from crowded places.
| A．come out | B．pass away | C．put out | D．keep away |
He ran quickly all the way to school, ______ he was still late.
| A．but | B．and | C．or | D．so |
John starts work______ 10 o’clock every day.
| A．in | B．on | C．at | D．for |
The news _______, right?
| A．sound exciting | B．sounds exciting | C．sound excited | D．sounds excited |
Important sentences are often marked ______ different colours.
| A．in | B．on | C．about | D．by |
Marie’s never been to Tibet, ____she?
| A．is | B．isn’t | C．has | D．hasn’t |