用whom还是them?we have 40 students,20 of ( ) are boy

用whom还是them?we have 40 students,20 of ( ) are boy 判断用whom 还是 them 填空the communication which we have with __ will be improved a lot. 这题用whom还是them?We have 40 students in our class,20 of（ ）are girl . We have three children,none of whom are abroad.为什么用whom而不用who. 一道高二英语选择We have fifty students in our class,28 of( )are girl students.A who B whom C them D which答案是whom Whom we love best to them we can say least whom we love most to ,them we can say least whom we love most to ,them we can say least I have two sisters,one ___ is a nurse.of them还是of whom还是of who?为什么? i have two brothers,both_are doctors.为啥不用BOTH OF THEM非要用BOTH OF WHOM how long have they 还是用them how long have they 还是用them many of whom,A great number of historians have written about him and given an insight into his time,many of (whom)?have achieved remarkable results.whom 还是them We have eight foreign teachers in our school,five of ________ are young ladies.A.them B.whom C.who D.which为什么不是WHY They have thress daughers,all_are doctors这里为什么是用 of whom而不用of them呢? We have ordered a room in the center of the town for the guests (whom) they can have a rest.为什么用whom 呢 who与whom的用法You can look for a company whom have import right on ATV.此句中应该用who还是whom? the Smiths have three daughters,____are working in a local hospital.答案是two of whom,我填both of whom,谁能给我讲解一下用whom不用them是因为这是定语从句吗