It’s nearly time for class to start. The teacher _______ be here soon.
| A．must | B．need | C．should | D．Can |
Slowly but surely, the city_________a successful one_________of its cultural diversity.
| A．became; proud | B．was becoming; proudly |
| C．became; proudly | D．was becoming; proud |
These years China_______a boom in scientific and technological development.
| A．enjoyed | B．has been enjoying | C．had enjoyed | D．enjoys |
．—Have you finished the work?
—Not yet. I _____ to do it just a moment ago.
| A．set about | B．set up | C．set out | D．set down |
—How often do you go home to see your parents?
—___________, but usually once a week.
| A．As usual | B．No idea | C．It all depends | D．It depends on you |
_____more and more forests destroyed, some animals are facing the danger of dying out.
| A．With | B．By | C．As | D．For |