. ______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．When | B．As | C．While | D．Before |
you know your potential, you have to rely on many other people to get to where you are.
| A．Since | B．If | C．While | D．Once |
--- When did you go out for the newspaper?
--- 10 minutes ago. You the flowers in the garden.
| A．have watered | B．were watering | C．watered | D．had watered |
A new city will be set up was a wasteland after the earthquake.
| A．in what | B．where | C．in which | D．there |
Would you please keep silent? The weather report and I want to listen.
| A．is broadcast | B．is being broadcast |
| C．has been broadcast | D．had been broadcast |
Doctors say that exercise is important for health, but it must be exercise.
| A．frequent | B．normal | C．regular | D．usual |