()bysomeofhisstudents,shewentintothemeetingroom
AfollowedBfollowing
shirley()abookaboutchinalastyearbutIdon’tknowwhethershehasfinishedit.
AwroteBwaswriting
这道题怎么做啊我只知道过去但是我怎么知道他是过去写的还是过去正在写的啊?