We have done things we ought not to have done and_____ undone things we ought to have done.
| A．left | B．leave | C．will leave | D．leaving |
Are there any hobbies or sports you particularly like ?
_____ , look out for books, articles or magazines about them.
| A．Even though | B．If so | C．Anyhow | D．Instead |
It said the country's confirmed H7N9 cases were isolated and there has been no______ of human-to-human transmission.
| A．mark | B．symbol | C．sign | D．signal |
The whole morning _____ the windows and the floors tomorrow.
| A．shall be spent to wash | B．is going to take to wash |
| C．will speng in washing | D．will be spent washing |
The big building _____ construction will be a shopping mall in the city.
| A．in | B．under | C．over | D．during |
This area is rich in coal，so habitants here use tons of coal to _____ electricity.
| A．offer | B．create | C．bring | D．generate |