_______ their service, the workers of the hotel are active in learning English.
#97633
A
Improving
B
To improve
C
Improve
D
Having improved
推荐题目
After losing one of his legs in the accident, we can imagine that he will have a lot of difficulties to overcome in the years ______.
#96833
A
following
B
followed
C
to be followed
D
to follow
The wonderful time they had been looking forward ____ at last.
#97310
A
to arrive
B
to arrived
C
to arriving
D
should arrive
We watch the children _______ into the water from the _____ board.
#93619
A
diving; diving
B
diving, dived
C
dived; dived
D
dived; diving
---What do you think made Celia so happy?--- ______ a prize in the recent competition.
#88706
A
She won
B
Won
C
Winning
D
Because of winning
It remains doubtful whether the project _____________ next month will bring profits to the company.
#96475
A
accomplished
B
to be accomplished
C
having accomplished
D
being accomplished