Pleasewriteareport________theabovesubjectsaretobecovered.
A、whichB
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。
_______hegoes,shewillgo,andshenevercares_______happens.
InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
______alittleearlier,Iwouldhavecaughtthetrain.
______aretheprimarydestinationsfortheChineseatpresent.
________inthought,healmostranintothecarinfrontofhim.
