________the working efficiency，the boss allows the employees to have a coffee break.
#88719
A
Improving
B
To improve
C
Having improved
D
Improved
推荐题目
He found them at a table chess.
#90342
A
sat, to play
B
sitting, playing the
C
seated, playing
D
seat, play the
____ to Anne's birthday party, Mr. Brown is now searching shop after shop for a nice present for her.
#89897
A
Having invited
B
Having been invited
C
Have been invited
D
Being invited
(2011·安徽高考)Tom asked the candy makers if they could make the chocolate easier ______ into small pieces.
#89008
A
break
B
breaking
C
broken
D
to break
---The new Wanda Plaza in Yinchuan has been open !---I’ve got the news. But many people find when they get there, they should first consider ___ their cars.
#95376
A
parking
B
where parking
C
to park
D
where to park
He pretended ______ the problem, but he ______.
#90136
A
to solve; lay
B
to have solved; lied
C
to have solved; laid
D
to solve; lied