With many trouble problems,such as unemployment and crime _______,the mayor seems to be at a loss.A.remained to solve B.remaining to be solved C.remained to be solved D.remaining to solve
问题描述:
With many trouble problems,such as unemployment and crime _______,the mayor seems to be at a loss.
A.remained to solve
B.remaining to be solved
C.remained to be solved
D.remaining to solve
答