More and more people have a low-C life and the air is _________ than before.
| A．good | B．more good | C．better | D．the best |
Ted can’t go fishing with us tomorrow. He has to ________his little sister at home.
| A．look for | B．look at |
| C．look after | D．look like |
—What are you going to do this weekend? —I’d like _____my parents.
| A．to visit | B．visit | C．visiting | D．visit |
—Is Rick there?
—No, hefor Beijing three days ago.
| A．left | B．leaves | C．leaving | D．leave |
Work hard, you’ll pass the exam.
| A．and | B．or | C．but | D．if |
—_______ tomorrow?
—It’s Friday the 5th.
| A．What | B．What’s |
| C．When is | D．What day is |