Clearly there are many factors that in his decision to quit his job.
A. play a role
B. played a role
C. has been playing a role
D. plays a role
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Sitting in front of the TV set, he the remote control(遥控器) and turned it on.
A. spent on
B. finished up
C. were for
D. reached for
Carol saw something she liked, she would ask her father to buy it for her.
A. Each time
B. To begin with
C. To sum up
D. Make senses
Demand is the quantity(数量) of a certain product or service that consumers buy.
A. stay in business
B. are willing to
C. top the list
D. aim at
These TV stations can only by selling much advertising(广告) time at high prices.
A. stay in business
B. break back
C. keep me hanging
D. carry on