My pet, Amy, never_______ because l take good care of her
| A．worry | B．worrying |
| C．worried | D．worries |
You _______ eat too many candies. It’s bad for your teeth.
| A．must | B．can | C．should | D．shouldn’t |
—What’s the matter with you, Jim?
—_______
| A．I’m fine. Thanks. | B．I’m good at English. |
| C．I have gotten a toothache. | D．I’m having a rest. |
Eating more vegetables and fruit will keep you ____.
| A．more healthier | B．health | C．healthiest | D．healthy |
We won’t go back home ____ we find the owner of the handbag.
| A．because | B．after | C．when | D．until |
Next Friday we ____ our first field trip.
| A．are going to go | B．are going | C．go on | D．are going on |