The car accident was ________ to the driver’s violation of the traffic accidents.
A. assigned
B. contributed
C. attributed
D. transferred
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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
Meat _________much more easily than vegetables.
A. loses
B. numerous
C. weaves
D. decays