After several days of social activities, I decided to _ on my research on the human behaviors.
#72745
A
fix
B
settle
C
set
D
concentrate
推荐题目
It was very difficult to ______ the excited football fans.
#69916
A
set down
B
put down
C
come down
D
calm down
My TV has ________so I can't watch it and I don't know how to kill time.
#65737
A
broken in
B
broken down
C
broken out
D
broken into
John is the only one of the students in our class that never ________a mistake even when it is pointed out to him.
#71432
A
admit making
B
admits making
C
admit to make
D
admits to make
Though suffering a serious injury, Rafael Nadal refused to _______ the game and went on.
#78229
A
give out
B
give in
C
give up
D
give off