___ 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
Mr. Smith likes traveling _______; but his wife enjoys _______.
#26662
A
by train; taking a taxi
B
on train; by taxi
C
by train; by taxi
D
on train; taking a taxi
Like some of my classmate, I can’t live up to my teachers’ expectations; ______, I let them down.
#27427
A
in other words
B
after all
C
what’s more
D
more or less
My parents were against my travel plan while my brother was __________ it.
#26815
A
in praise of
B
in honor of
C
in search of
D
in favor of