If you want to be thinner and healthier, you should eat___food and take____exercise.
| A．more;fewer | B．more;less | C．fewer;more | D．less;more |
His father had an important meeting just now, _______?
| A．did he | B．had he |
| C．didn't he | D．hadn't he |
-_______ can the batteries (电池) keep these cool iPhones and iPads working?
- For about ten hours.
| A．How much | B．How many |
| C．How long | D．How often |
- Have you heard that six people killed a young woman in McDonald's in Shangdong?
-_______ bad the news is.
| A．What a | B．How |
| C．How a | D．What |
The careless boy lost his key, _______ he had to wait for his mom in the cold.
| A．and | B．or |
| C．for | D．so |
Your sister isn't at home. Can you help her_______ her baby?
| A．look out | B．look after |
| C．look around | D．look for |