Pleasewriteareport_______theabovesubjectsaretobecovered.
B
in which the above subjects are to be covered 是 report 的定语从句。 which 指代先行词report，in 用于与 report 搭配。
Ayearlater，withthenation’seconomy________，Bush’sapprovalratingdroppedbelow40percent
Thestudentsarerequiredto________themainideasofthearticleintheirownwords.
AlthoughTomissatisfiedwithhisacademicachievement，hewonders_______willhappentohisfamilylife.