Haze weather has become common in some major cities in China. We all wonder ________.
| A．how is the air polluted |
| B．what can we do with the bad weather |
| C．why the air is polluted seriously |
| D．what are the real reasons |
We should tell hunters _______tigers.
| A．don’t kill | B．not kill | C．killing | D．not to kill |
Yesterday I talked to Amy on the phone and she ______ happy.
| A．looked | B．sounded | C．smelled | D．tasted |
Can you tell us how important wildlife ___ is?
| A．protect | B．protector | C．protection | D．protected |
There are ________ bears on the earth because they have ____________ space on it．
| A．fewer and fewer；less and less | B．more and more；fewer and fewer |
| C．less and less；fewer and fewer | D．more and more；less and less |
China ________ food and drinks ________ the people in Philippines(菲律宾) last month .
| A．provided, for | B．provides, with | C．provided, with | D．provides, for |