- 问题详情:完形填空。Jackwasahard-workingstudentwhenhewasyoung,buthehadsomebigproblems.Heusedtobeshybeforehisclassmates.Sohehad__1__friendsatschool.Bobwasanewstudentinhisclass.Allthestudentsweresoonfamiliarwithhimandgotonwellwithhim__2__Jack.Oneday,somebo...
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