We ________ jump to conclusions before we have all the facts.
A．couldn't B．mightn't C．shouldn't D．mustn't
It was several years ________ I realized ________ David had lied to me.
A．when; that B．that; when
C．before; that D．until; why
The project will help people understand the many threats to the natural environment ________ endangered plants and animals live.
A．which B．when C．where D．that
—How do you think I can make up with Johnson?
—Set aside ________ you disagree and try to find ________ you have in common.
A．what; what B．where; what
C．what; which D．where; which
—What do you think of the news in today's newspaper?
—We shouldn't ________ the trouble of helping others only because what we do may invite trouble.
A．knock off B．take off
C．keep off D．break off
—I think that every need of the customer should be attended to.
—________.
A．I'd love to B．I'm with you on that
C．It's my pleasure D．It's up to you
