Multimedia equipment can greatly facilitate teaching.
A. change
B. inflict
C. blend
D. promote
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Neither of us could know how our relationship would evolve over the years.
A. develop
B. involve
C. enhance
D. promote
The heat in summer is no less intense here in this mountain region.
A. field
B. place
C. origin
D. area
It is the duty of the police to preserve public order.
A. reserve
B. keep
C. dispose
D. arrange
The warning lights were clearly _______.
A. virtual
B. visible
C. viable
D. vigorous