For breakfast he only drinks juice from fresh fruit ______on his own farm.
| A．grown | B．being grown | C．to be grown | D．to grow |
It is said that the temperature is unusual mainly _______ global warming caused by human activities.
| A．in spite of | B．by means of | C．in case of | D．on account of |
The transformation of our city will make _______ for people here to have a comfortable environment.
| A．it possible | B．no possibility | C．impossible | D．there was possibility |
Mary _______ her mother with the housework, but she didn’t.
| A．must have helped | B．ought to have helped |
| C．must help | D．should help |
The local government announced that only when the fire was under control ________ to return to their homes.
| A．the residents would be allowed | B．had the residents been allowed |
| C．would the residents be allowed | D．the residents had been allowed |
He left home without saying a word, and _______ worries many people and is to be found out.
| A．where he has gone | B．where did he go |
| C．which place has he gone | D．where has he gone |