If you have high blood pressure, you should __ eating too much salty food
A. Escape
B. Suggest
C. Avoid
D. relax
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I know you’re planning to travel this summer, but do you know __？
A. How much cost it will be
B. How much has it cost
C. How much it will cost
D. How much will it cost
He decided to devote all his time and effort __ scientific investigation.
A. In
B. On
C. From
D. to
In most circumstances, a speaker should avoid passing visual aids among the audience？()
He fell in love with her at first __.
A. Scene
B. Sight
C. View
D. look
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