—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
With more people keeping pets, a growing number of conflicts_____ pets have been taken to court in Shanghai.
#88921
A
concerned
B
to concern
C
being concerned
D
concerning
Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
#93152
A
taken
B
being taken
C
to be taken
D
having taken
The river is said __________ in a fire during the past 10 years.
#91800
A
to have polluted
B
it has been polluted
C
to pollute
D
to have been polluted
The manager listened to the customers’ complaints attentively with great patience, _____ to miss any point.
#91181
A
not trying
B
trying not
C
to try not
D
not to try
These students are quick at learning. We’ll have them __________ with new methods.
#97520
A
training
B
to train
C
to be trained
D
trained