问题
选择题
______to use in April,2005,the road has solved the long-standing problem of traffic jams of this area．
A．Put
B．Putting
C．Having put
D．Being put
答案
答案：A
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______to use in April,2005,the road has solved the long-standing problem of traffic jams of this area．
A．Put
B．Putting
C．Having put
D．Being put
答案：A