While working in the countryside , the students ________ a great deal of knowledge on plant life.
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A
looked up
B
picked up
C
put up
D
called up
推荐题目
If we can ______our present difficulties, then everything should be all right.
#83227
A
cone across
B
get over
C
come over
D
get off
This book______18 articles , _______ three written by my father.
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A
contains; includes
B
includes; contains
C
contains; including
D
includes; containing
Recent pressure at work may___ his behavior.
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A
stand for
B
leave for
C
pay for
D
account for