单项选择题

People who cannot ______ between colours are said to be colourblind.

A．separate
B．compare
C．contrast
D．distinguish
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单项选择题
The teacher was struck by a car and ______ badly.
A．harmed
B．damaged
C．injured
D．ruined
单项选择题
Mr. Smith left in such a hurry that I ______ had time to thank him.
A．scarcely
B．nearly
C．quickly
D．almost
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