If you wait for the __________moment to act, you may never begin your project.
A. definitive
B. optimum
C. implacable
D. righteous
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He had an__________habit of emptying ash trays out of his upstairs window.
A. impolite
B. objectionable
C. uneducated
D. afflicting
Which of the following underlined parts is different in pronunciation from others?
A. term
B. serve
C. very
D. stern
He was fired because of his __________ refusal to follow orders.
A. obstinate
B. obstructive
C. obedient
D. obsessive
How many liaisons of sound are there in the sentence 'I called you half an hour ago'?
A. one
B. two
C. three
D. four