To find the answer quickly, you must first ________ the main words in the question.
A. turn out
B. work out
C. keep out
D. make out
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I've made an ______ for you to see the dentist at 5 o'clock tomorrow.
A. interview
B. opportunity
C. appointment
D. occasion
We wrote to them last week and ____ them to reply in the next few days.
A. expected
B. hoped
C. waited
D. looked forward to
The meeting had to be ____ because of the absence of chairman of the board.
A. called out
B. called off
C. called on
D. called up
Bicycling is good exercise;______, it doesn't pollute the air.
A. however
B. moreover
C. therefore
D. otherwise