.
In the rainforest of the Amazon, 50 to 150 plant species _____ every day.
| A．have been destroyed | B．are destroying | C．are being destroyed | D．destroyed |
As we joined the crowd I got __________from myfriends.
| A．separated | B．spared | C．lost | D．missed |
There was a murder in one of the poorest suburbs in the city the other day. Now the police are turning the whole house upside down __________ clues.
| A．in want of |
| B．in search of |
| C．in favor of |
| D．in memory of |
—He works hard and is intelligent.
—__________ that he is always getting the first place in his class.
| A．It is no doubt |
| B．There is no doubt |
| C．It is no wonder |
| D．There is no wonder |
Thepart that China __________in the internationalaffairs __________ in international society.
| A．plays；is widely praised |
| B．plays；is wide praised |
| C．takes ； widely praised |
| D．takes ； wide praised |
They __________ the room __________ the lost watch, but failed.
| A．searched；in search for |
| B．searched；in search of |
| C．searched for；in search for |
| D．searched for；in search of |