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
____, all the students passed the entrance examination.
#65714
A
Much to the teacher’s satisfaction
B
To the teacher’s much satisfaction.
C
Much to the teacher’s satisfactory.
D
To the teacher’s great satisfactory
If you don’t keep the meat in the refrigerator on such a hot day, it may ____.
#82142
A
go out
B
go away
C
go off
D
go down
We are often warned that smoking ______ great harm to our health.
#66338
A
does
B
leaves
C
makes
D
gives