摘要：31．Private cars are required to turns off roads one out of five weekdays the traffic pressure. A．to reduce B．reducing C．reduce D．reduced
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Private cars are required to turns off roads one out of five weekdays the traffic pressure.
A．to reduce B．reducing C．reduce D．reduced
查看习题详情和答案>>Private cars are required to turns off roads one out of five weekdays ________ the traffic pressure．
[ ]
A．to reduce
B．reducing
C．reduce
D．reduced
Private cars are required to take turns off roads one out of five weekdays ____the
traffic pressure.?
A.to reduce B.reducing?
C.reduce D.reduced?
查看习题详情和答案>>Private cars are required to take turns off roads one out of five weekdays ___the traffic pressure.
| A．relieve | B．relieving | C．torelieve | D．relieve |