Not only vital for reducing fever and helping stop pain, but there are also othe

 Not only ____________ vital for reducing feverand helping stop pain, but there are also other things that aspirin can helpwith.

A．has aspirinproved                      B．did aspirinprove

C．aspirinproved                          D．had aspirinproved

试题答案

【答案】

A

【解析】

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