-whomshallIgivethedocument?-TOisintheoffice.However,torequireawrittenpape-whomshallIgivethedocument?-TOisintheoffice.However,torequireawrittenpaperforit.A.whom；makesureB.who；makesureC.whonev

Question

-whom shall I give the document?-TO _____ is in the office.However,_____ to require a written pape
-whom shall I give the document?
-TO _____ is in the office.However,_____ to require a written paper for it.
A.whom；make sure B.who；make sure C.whonever；be sure D.whoever；be sure
要明确的说明

Answer 1

D因为,先不看to,我们可以看到“谁在办公室”的“谁”是主语,whom不能做主语,所以排除A.Whomever也是宾格形式,当然也不行.排除CWho 做引导词时,前面必须有它的名词,所以who 在这儿也不能用.排除B.be sure to do sth.m...