—How can we reduce CO2 in our home?
—It’s easy． off your TV or computers when you’re not using them, and you’ll greatly reduce it．
| A．Turn | B．To turn | C．Turning | D．Turned |
Research shows that people feel unhappy and worried when they have nothing to do . _______, the happiest are those who are busy.
| A．In short | B．In fact | C．As a result | D．For one thing |
The first time you talk to a stranger, you should try to ______ him about the personal affairs.
| A．keep asking | B．keep to ask | C．avoid asking | D．avoid to ask |
— How about Thursday morning? Say, 10 o’clock?
— OK. I’ll be expecting you then.
| A．That’s settled. | B．Is that right? |
| C．How are you doing? | D．No way! |
Many graduates wish to find a career _____ they can use what they have studied, but often no such luck.
| A．which | B．what | C．when | D．where |
______ others think of you, you need to have a clear idea of yourself.
| A．Whatever | B．However | C．Whenever | D．Wherever |