--- Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But we on this problem trying to improve the situation.
| A．worked | B．had worked | C．are working | D．had been working |
Some medicine，when wrongly，can kill a person
| A．take | B．taking | C．taken | D．to take |
The fire fighters soon got the fire in the building
| A．under attack | B．under control |
| C．under construction | D．under way |
The shopkeeper said that thief was a boy with blown hair．
| A．the，a | B．the，不填 | C．a，不填 | D．a，a |
I don’t doubt our team will the win 4×100一meter race．
| A．when | B．whether | C．that | D．which |
Our school has changed a tot；who call tell what it will be like in five years?
| A．those | B．another | C．more | D．other |