You will fail in the coming examination________ you work hard at your lessons.
| A．unless | B．if | C．whether | D．when |
You come earlier. The bus left a moment ago.
| A．would |
| B．should have |
| C．may |
| D．have |
today, he would get there by Friday.
| A．Would he leave |
| B．Was he leaving |
| C．Were he to leave |
| D．If he leave |
any change about the date, please tell me immediately.
| A．Will there be |
| B．Should there be |
| C．There will be |
| D．There should be |
Had you listened to the doctor, you all right now.
| A．are |
| B．were |
| C．would be |
| D．would have been |
It is important that we wild animals.
| A．will protect |
| B．should protect |
| C．shall protect |
| D．are protecting |