将本句变为被动语态,每空一词:You needn't do it now.It _________ _____ _____ by you now.
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将本句变为被动语态,每空一词:Lucy sent me a New Year Card last week.A New Year Card ____ ____ ____ me by Lucy last week.
用适当形式填空:All the students __________(ask) to bring a kite with them last Sunday.
用适当形式填空:Are many ways _______(try) to stop people from cutting down so many trees?
用适当形式填空:Was the work __________(结束)by him yesterday?