We need some more facts and figures we take the final decision.
| A．since | B．after | C．before | D．until |
The road becomes so crowded during rush hours, ______ it becomes a very slow route.
| A．which | B．when | C．where | D．that |
-- The classroom looks like a mess!
-- Yes, but who left the waste paper ______ around?
| A．lie | B．to lie | C．lay | D．lying |
-- I think we'll give Bob a ring.
-- We ______ . We have been out of touch with him for ages.
| A．will | B．may | C．have to | D．ought to |
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 |