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
You can't work out this problem ___in this way.
#84000
A
rather than
B
other than
C
or rather
D
or else
Have you got________books for the train journey?
#64073
A
a good number
B
a great deal of
C
a good many of
D
a good many
Many suggestions were _______ at the meeting to help college students get jobs after graduation.
#76265
A
set up
B
given out
C
got across
D
put forward
The _______ income of the common people has been greatly increased in the past thirty years ______ the reform and opening-up policy in China.
#65239
A
regular; because
B
usual; thanks to
C
normal; on an account of
D
annual; owing to
Unlike the fossil fuels of today, biofuels are renewable sources, which mean that they will not ____ easily.
#66659
A
come out
B
break out
C
turn out
D
run out