—How about camping this weekend，just for a change?
—OK，________you want.
| A．whichever | B．however |
| C．whatever | D．whoever |
Teenagers __________ their health because they play computer games too much.
| A．have damaged | B．are damaging |
| C．damaged | D．will damage |
The hotel is always full of people because it offers a friendly __________ and personal service.
| A．surface | B．atmosphere |
| C．system | D．appearance |
-I'm going to San Francisco for a couple of days.
-__________. I wish I could get away for a while.
| A．It doesn't matter | B．Forget it |
| C．I really envy you | D．I can't agree more |
-I love the Internet. I've come to know many friends on the Net.
-__________. Few of them would become your real friends.
| A．That's for sure | B．It's not the case |
| C．I couldn't agree more | D．I'm pleased to know that |
After the boy disappeared, the anxious relatives and friends spent months trying to __________ what had happened.
| A．look out | B．figure out |
| C．give out | D．rule out |