He found it is hard to _________ the temptation to get drunk.
A. resign
B. resist
C. refuse
D. reserve
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The car accident was ________ to the driver’s violation of the traffic accidents.
A. assigned
B. contributed
C. attributed
D. transferred
Features such as height, weight and skin colour ______ from individual to individual and from face to face.
A. vary
B. change
C. alter
D. convert
You don’t have to write the essay if you don’t want to. It is __________.
A. compulsory
B. suitable
C. optional
D. alternative
This factory is planning to build a new_________ line this year.
A. resemble
B. assembly
C. productive
D. assess