21.The suspect ______ that he had not been in the neighbourhood at the time of the crime.
A) advocated
B) alleged
C) addressed
D) announced
22.Although the colonists ______ to some extent with the native Americans , the Indians' influence on American culture and language was not extensive.
A) migrated
B) matched
C) mingled
D) melted
23.E-mail is a convenient, highly democratic informal medium for conveying messages that _______ well to human needs.
A) adheres
B) reflects
C) conforms
D) satisfies
24.The wings of the bird still ______ after it had been shot down.
A) slapped
B) scratched
C) flapped
D) fluctuated
25.The disagreement over trade restrictions could seriously ?______ relations between the two countries.
A) tumble
B) jeopardize
C) manipulate
D) intimidate
26.When you put up wallpaper, should you ______ the edges or put them next to each other?
A) coincide
B) extend
C) overlap
D) collide
27.Under the present system, state enterprises must ______ all profits to the government.
A) turn down
B) turn up
C) turn out
D) turn in
28.Oil companies in the U.S. are already beginning to feel the pressure. Refinery workers and petroleum-equipment-manufacturing employees are being _______.
A) laid out
B) laid off
C) laid down
D) laid aside
29.We'll ______ you for any damage done to your house while we are in it.
A) compensate
B) remedy
C) supplement
D) retrieve
30.She cut her hair short and tried to ______ herself as a man.
A) decorate
B) disguise
C) fabricate
D) fake