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tohisresearch,hesparednotimetospendaweekendwithus.A.devotingB.devotedC.caughtD.lost为什么选B它怎么表被动吖?it'swell(worth)makingtheefforttolearnhowtodrive.为什么是worth

题目详情
to his research ,he spared no time to spend a weekend with us.
A.devoting B.devoted C.caught D.lost
为什么选B 它怎么表被动吖?
it's well (worth) making the effort to learn how to drive.
为什么是worth
▼优质解答
答案和解析
be devoted to
致力于...
devote to
专心致力于,献(身),贡献
供奉,供献
做某种专用
He devoted his life to literature
这里面应该是被动语态.所以是devoted
第二题,这里的worth 是形容词,表示值得的,用well修饰,表示非常值得.