I think it ______ that she should be knowledgeable about computers for her present job.
#19159
A
urgent
B
normal
C
gifted
D
essential
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Our       new machines are much cheaper to run.
#17719
A
effective
B
efficient
C
energetic
D
enthusiastic
She is        being pleased about it; she is very angry.
#19460
A
free from
B
free of
C
out of
D
far from
There were no tickets __________ for Friday’s performance.
#19071
A
useful
B
available
C
helpful
D
reasonable