Please write a report _______ the above subjects are to be covered.
A、whichB
inwhichtheabovesubjectsaretobecovered是report的定語從句。which指代先行詞report，in用于與report搭配。
Basically，theseattitudesamounttoabelief________leisurecanandshouldbeputtogooduse
Sincewehaveafocusedsubject，weshouldnottalk________.
Whydoyoublamehimforhispoorjudgmentonthematter______hereallyneedsisencouragement?
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
