As we all know, Jack is experienced _____ the problem of this kind.
#77229
A
to work out
B
at working
C
at working out
D
for working out
推荐题目
The child was almost _______________ from the outside world.
#76169
A
cut off
B
cut down
C
cut out
D
cut in
The young lady wanted to ______ she was warned not to do so .
#72674
A
lose her weight even though
B
lose weight even though
C
lose weight even so
D
lose her weight even that
She ________ on her work so much that she didn’t notice that a crowd of people had _______around her. 
#71694
A
focused; focused
B
fixed; gathered
C
concentrated; concentrated
D
carried; collected