This dictionary is very useful. It has ___ many problems about words and idioms for me.
#81986
A
looked up
B
kept up
C
taken up
D
cleared up
推荐题目
      ! The rescue workers are coming.
#83571
A
Keep on
B
Hold on
C
Hold up
D
Carry on
During your English study, you will______ many difficulties.
#72391
A
come about
B
come out
C
come by
D
come across
As a young man,Tom used to   in the town, to find a job for a few coins.
#81651
A
knocking about;waited
B
knocked down;waiting
C
knock about;waiting
D
knocked down;waited