问题补充：
单选题TherewasalargeboxbehindthedoorandPetercouldn _____fallingoveritinthedarkness.A.helpB.resistC.avoidD.prevent
答案：
C解析avoid 避免(后接动词或名词): He tried to avoid answering my questions. can (couldn ) help doing sth. 禁不住做......不由自主地做......。 can (couldn ) resist doing sth.禁不住做......: I couldn resist laughing.
