Whatever work you are doing, you should concentrate your attention ______it.
#27169
A
to
B
towards
C
with
D
on
推荐题目
Who was it that let ____ the cry of surprise.
#28890
A
in
B
out
C
down
D
alone
 The open-air celebration has been put off __________ the bad weather.
#28610
A
in case of
B
in spite of
C
instead of
D
because of
 If you keep on , you’ll succeed _____.
#28013
A
in time
B
at one time
C
at the same time
D
on time