As a result of the destruction of the forest, a large ________ of animals ________ lost their living places.
| A．number; has | B．amount; has |
| C．number; have | D．quantity; have |
We lost our way in that small village, otherwise we________ more places of interest yesterday.
| A．visited | B．had visited |
| C．would visit | D．would have visited |
If we _______ adequate preparations, the conference wouldn’t have been so successful.
| A．haven’t made | B．wouldn’t make |
| C．didn’t make | D．hadn’t made |
Without the development of the Internet, Taobao and Tmall______$ 5.7 billion in sales on 11 November, 2013.
| A．wouldn't make | B．didn't make |
| C．hadn't made | D．wouldn't have made |
He was very nervous in the contest．Otherwise，he _____________ the first prize．
| A．will win | B．would win |
| C．would have won | D．had won |
I didn’t know that he was a cheat, or else I ________________ him.
| A．should have believed | B．shouldn’t believe |
| C．wouldn’t have believed | D．couldn’t believe |