--- do I need to feed the pet dog? ---Twice a day.
| A．How long | B．How much | C．How soon | D．How often |
Eating ______ junk food is bad for your health.
| A．too much | B．too many | C．much too | D．many too |
Mary _____ go to bed ______ her mother came back last night.
| A．not, until | B．doesn’t , until |
| C．aren’t, until | D．didn’t, until |
Please eat more fruits ______ apples and bananas.
| A．but | B．as | C．for | D．like |
The first story is _______ than the second one.
| A．difficult | B．much difficult |
| C．more difficult | D．difficulter |
—What’s the matter with Jim?
—______.
| A．I’m sorry to hear that |
| B．He’s tall and has big eyes |
| C．He has a toothache |
| D．He’s having breakfast |