--- Why do you look so upset? --- There are so many troublesome problems _________.
#89699
A
remaining to settle
B
remained settled
C
remaining to be settled
D
remained to be settled
推荐题目
It’s reported that energy drinks are not allowed ___ in Australia.    
#89833
A
to be making
B
to be made
C
to make
D
to have been made
When I came back from shopping, I found my purse __________.
#95909
A
having stolen
B
being stolen
C
stolen
D
stealing
He is often listened __________ English songs, but this time we had him _________ a Russian song.
#94152
A
to to sing; sing
B
to sing; to sing
C
sing; to sing
D
sing; sing