Tom was about to close the window his attention was caught by a bird.
| A.when | B.if | C.and | D.till |
China's present environment situation is from bad to worse and if we _________ now to protect the environment, we’ll live to regret it.
| A.hadn’t acted | B.haven’t acted | C.don’t act | D.won’t act |
In recent years the consumption of aspirin _______ enormously in America.
A was increasing B. has increased C. had increased D. will be increasing
–Would you be kind enough to help me with my homework at one o’clock this afternoon?
-- . Will two o’clock be OK?
| A.Sure, it’s up to you | B.Sure, no problem |
| C.Sorry, I can’t make it | D.Sorry, I’m not available today |
--- One of the Fortune Global 500 companies offered her a position, but she refused.
---_________ ? It is a very good chance.
| A.Guess what | B.So what | C.Who cares | D.But why |
Yesterday I witnessed ____ car hit a tree and ___ driver was killed.
| A.A; a | B.The; the | C.A; the | D.The; a |