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（请给出正确答案）
Many thousands have benefited______the new medical system.
A．on
B．in
C．to
D．from
答案
更多“Many thousands have benefited______the new medical system.A．onB．inC．toD．from”相关的问题
第1题
Every year thousands of lives （) in road accidents because of careless driving.
A.lose
B.lost
C.have lost
D.are lost
第2题
A.have, many
B.has, few
C.has, a few
D.have, a number
第3题
A.正确
B.错误
第4题
– Have you visited Xian？ – Yes, I()there many times.
A.go
B.have been
C.went to
第5题
A.have been
B.has
C.have
D.has been
第8题
A.Having ignored
B.To be ignored
C.To have been ignored
D.Having been ignored
第9题
A. symptoms
B. attractions
C. descriptions
D. possibilities
第10题
A.told
B.have told
C.have been told
D.are being told
