Please write a report ________ the above subjects are to be covered.
B
inwhichtheabovesubjectsaretobecovered是report的定语从句。which指代先行词report，in用于与report搭配。
WhichofthefollowingstatementisNOTtrue?
______ inns and taverns,in particular,gained a reputation for cleanliness and comfort and set the standard for accommodation in other parts of Europe.
The Netherlands is the only country in Europe which permits euthanasia, ________ it is not technically legal there.
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.