You will be late _____ you leave immediately.
| A．unless | B．when | C．while | D．as |
-- Why didn't you go camping with us?
-- But I ______ all about it!
| A．forget | B．was forgetting | C．have forgotten | D．had forgotten |
-- When do you need to pay the balance?
-- ______ December 31.
| A．In | B．By | C．During | D．Within |
. I think ______ information of this kind is help when you look for a job.
| A．不填; a | B．the; a | C．an; a | D．the; 不填 |
________ your composition carefully, some spelling mistakes can be avoided.
| A．Having checked | B．Check |
| C．If you check | D．To check |
She is in a poor ___________ of health, which worries her mother much.
| A．position | B．situation |
| C．state | D．condition |