Mary wants to know _____ he can go shopping with her tomorrow.
| A．what | B．that | C．whether | D．when |
---The air pollution is terrible.
--- It will be worse we take action to protect the environment.
| A．if | B．unless | C．so | D．though |
_______ of us felt very tired but quite happy after _______ sports meeting.
| A．Everyone, a two days | B．Every one, the two days |
| C．Every one, the two-day | D．None, a two-day |
We found ________ more interesting to watch horror films.
| A．that | B．it’s | C．it | D．this |
If there no buying and selling of animals, there no killing in nature.
| A．is; will be | B．will be; will be |
| C．is; is | D．will be; is |
He a director since he graduated from university in 1962.
| A．became | B．has become |
| C．has been | D．becomes |