This students ID _____ me to travel half price on train.
A. able
B. unable
C. enable
D. enables
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Which of the following words has the similar meaning with "schedule"?
A. action
B. agenda
C. agent
D. agency
There is an ____ shortage of water.
A. acid
B. acumen
C. acute
D. acrid
I maintained a postive ____ all the time.
A. aptitude
B. altitude
C. attitude
D. apt
Her parents seemed very ______.
A. amicable
B. amiable
C. amicably
D. amiably