I was     the edge of the canyon. A river was      the bottom of the canyon.
#40598
A
at;on
B
on;in
C
on;at
D
in;at
推荐题目
--- __________ does your car need the vehicle repair?  --- Every six months.
#37276
A
How long
B
How often
C
How soon
D
What time
The light in the room wasn’t _______for me to read. 
#39359
A
enough bright
B
brightly enough
C
enough brightly
D
bright enough