___ the employees' working efficiency, the supervisor will allow them to have a coffee break.
#29030
A
Improving
B
To improve
C
Having improved
D
Improved
推荐题目
A reminder is something which reminds somebody______somebody or something else.
#27583
A
from
B
for
C
with
D
of
This has reduced the amount of wasted food at some schools_____38 percent.
#27205
A
with
B
to
C
in
D
by
Wanda Plaza in Wuxi is _____ a shopping center．You can do almost anything there．
#26664
A
no more than
B
not more than
C
more than
D
rather than