The cells of humans, especially _____of the brain, can live only minutes without circulating blood.
| A．that | B．ones | C．it | D．those |
The biggest problem for most plants, which ______ just get up and run away when threatened, i
s that animals like to eat them．
| A．can’t | B．shan’t |
| C．needn’t | D．mustn’t |
---Have you called Mr Johnson’s office?
---Yes．He ____back before tomorrow noon．So he can attend our meeting on time．
| A．expected | B．is expected |
| C．is expecting | D．is to expect |
Word comes _____ free books will be given to ______come first in this book fair．
| A．which,no matter who | B．that, anyone who |
| C．which,whoever | D．that,those who |
The fire _______ before the fire-fighters arrived．
| A．has been put out | B．was put out |
| C．had put out | D．had been put out |
With some snow on top of it,the Yellow Mountain looked fantastic this winter．Actually, I doubt whether we
could visit ______mountia
n in China．
| A．a most beautiful | B．the most beautiful |
| C．a more beautiful | D．a beautiful |