Itallstartedatthebeginningofthisterm.Atfirst,Carmenwasn...
问题详情：Itallstartedatthebeginningofthisterm.Atfirst,Carmenwasn’treallysurewhatwashappening.Inclass,shehadtosquint(眯眼)toseetheblackboardclearly.Asitgotworse,shebecamemoreandmoreworried.Itwasimporta...