— What’s up?— There are so many problems ______.
#65457
A
remained to be solved
B
remaining to solve
C
remained solving
D
remaining to be solved
推荐题目
I called the airline to________my flight reservation a week before I left for Toronto.
#70668
A
see  
B
consult
C
confirm   
D
strengthen
My uncle is a butcher, who is skilled at     the pork.
#72555
A
cutting down
B
cutting up
C
cutting off
D
cutting out
The car broke down, and I had to_____ on foot
#70505
A
make my way
B
feel my way
C
fight ways
D
lost my way