I am very worried because my son ________ most of his spare time ________ playing games on the computer.
#64066
A
concentrates；on
B
concentrates；in
C
focuses；to
D
focuses；in
推荐题目
– I won’t do it any more. --_______?
#68078
A
Why don’t
B
Why don’t do it any more
C
Why not
D
Why not to
A great deal of advanced science and technology has been _______ since China carried out the reform and opening policy.
#71993
A
brought down
B
brought in
C
brought out
D
brought up
They ________ my ability to solve problems, but I have proved that they are all wrong.
#64408
A
opposed
B
doubted
C
wondered
D
ignored
Go back home now, Mary. Your parents ______ your safety.
#63864
A
are concerned about
B
are concerned with
C
are concerned on
D
concern of
-- You know I dropped medicine and __________ physics.--- You made a right decision.
#65906
A
took up
B
took in
C
took apart
D
took off