________ it comes to the increasing use of motor vehicles in the cities，some people think it should be limited．
| A．Because | B．Once | C．When | D．While |
One advantage of fishing is ______ it can give you a lot of pleasure.
| A．how | B．why | C．that | D．when |
If you have a high fever, you should .
| A．eat a lot | B．throw up what you eat |
| C．eat some cold food | D．drink a lot of boiled water |
I’m moving to the countryside because the air there is much fresher
thanin the city.
| A．ones | B．one | C．that | D．those |
__Shall I give you a ride as you live so far away?
__ Thank you..
| A．It couldn’t be better. | B．of course you can |
| C．If you like. | D．It’s up to you. |
It is reported that the police will soonthe case of the two missing children.
| A．look after | B．look out | C．look into | D．look around |