In warm weather fruit and meat ________ long.
| A．don’t keep | B．can’t be kept |
| C．are not kept | D．aren’t keeping |
The guests were _________ in the front rows _________ to the president attentively.
| A．seating;listened | B．seating;listening | C．seated;listened | D．seated;listening |
.The thing that _________ is not whether you fail or not,but whether you try it or not.
| A．matters | B．cares | C．considers | D．minds |
—Jane wasn’t in when Jack came,was she?
—_________,but she returned a few minutes later.
| A．No,she was | B．No,she wasn’t | C．Yes,she was | D．Yes,she wasn’t |
.All _________is a continuous supply of the basic necessities of life.
| A．what is needed | B．for our needs |
| C．the thing needed | D．that is needed |
Health experts in many countries still _________ their ideas about the relationships between our food and our health.
| A．have tested | B．tested | C．are testing | D．test |