Onemorning，Iwaswaitingatthebusstop，worriedabout（61）___（be）lateforschool．Thereweremanypeoplewaitingatthebusstop，（62）___someofthemlookedveryanxiousand（63）___（disappoint）．Whenthebusfinallycame

问题：Onemorning，Iwaswaitingatthebusstop，worriedabout（61）___（be）lateforschool．Thereweremanypeoplewaitingatthebusstop，（62）___someofthemlookedveryanxiousand（63）___（disappoint）．Whenthebusfinallycame

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查富生的回答：

网友采纳　　61．being．考查非谓语动词．动介短语worried about后用doing，表示"为某事担心"． 62．and．考查连词．There were many people waiting at the bus st...