As we can see, the prices of vegetables _____ according to the season.
| A．vary | B．fall | C．rise | D．reject |
—Did you return Fred's call?
—I didn't need to ________ I'll see him tomorrow.
| A．though | B．unless | C．when | D．because |
A small car is big enough for a family of three ________ you need more space for baggage.
| A．once | B．because | C．if | D．unless |
The weather was ________ cold that I didn't like to leave my room.
| A．really | B．such | C．too | D．so |
—Have you got any idea for the summer vacation?
—I don't mind where we go ________ there's sun，sea and beach.
| A．as if | B．as long as |
| C．now that | D．in order that |
The lawyer seldom wears anything other than a suit ________ the season.
| A．whatever | B．wherever | C．whenever | D．however |