-People find it hard to get across the r
问题:
-People find it hard to get across the river.
-I think at least two bridges over it. [ ]
A. need
B. are needing
C. will need
D. are needed
-People find it hard to get across the river.
-I think at least two bridges over it. [ ]
A. need
B. are needing
C. will need
D. are needed