We didn't know his telephone number, otherwise we _________ him.
| A．would have telephoned | B．must have telephoned |
| C．would telephone | D．had telephoned |
Honey, stay outside and ______ a few minutes; then we'll go to church together.
| A．hang around | B．hang up | C．hang on | D．hang out |
-- 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 |