Rainforests___________and burned at such a speed that they will disappear from the earth in the near future.
| A．cut | B．are cut | C．are being cut | D．had been cut |
Farmers grow crops either to ____their family ___to sell.
| A．feed; and | B．feed; or | C．supply; or | D．supply; nor |
If you offer him some help this time, since he once helped you, that would be ____.
| A．equal | B．more equal | C．fairer | D．more fair |
If ________ guests we have, we would need ___ food.
| A．more; less | B．fewer; more | C．few; less | D．fewer; less |
The problem with people in Africa ____that the more is given and the more ______.
| A．is; is needed | B．are; is needed | C．is; they need it | D．are; they need it |
The reason ___ he is absent is ___he has a bad cold.
| A．why; that | B．why; because | C．that; because | D．for; that |