—Why do you look sad?—There are so many problems ________.
#89149
A
remaining to settle
B
remained settling
C
remaining to be settled
D
remained to be settled
推荐题目
This machine is very easy _______. Anybody can learn to use it in a few minutes.
#90906
A
operating
B
to be operating
C
operated
D
to operate
-----They are quiet, aren’ t they? -----No. They are accustomed_____ at meals.
#92821
A
to talk
B
to not talk
C
to talking
D
to not talking
—The leaders are supposed to care about the sufferings of the people.—Contrary to that, some of them act with their eyes _______ to the reality.
#91008
A
closing
B
closed
C
to close
D
being closed
________ an effective team member, you need to develop a teamwork attitude.
#90793
A
Become
B
Becoming
C
Having become
D
To become
When he the door, he found his keys were nowhere.
#98973
A
would open
B
opened
C
had opened
D
was to open