There are two thousand students in our school ,two thirds of_______are girl.答案为什么是whom不是who不是说在从句里如果是主语就是who担任宾语就是whom吗我怎么判断这个是不是主语是不是宾语

选择正确的答案填空1.The two buildings are ______.But Building A is___than Buildings B.A. tall , tall B.tall , taller C.taller , tall D.taller , taller2.There are four_____and five workers in the factory.A. thousand , hundred B.thousa 并说明理由6.---What’s the time now?---It’s ____.A.forty-two to five B.thirty-one past nineC.six forty D.three to seven7.There are ____ students at the sports meeting.A.tens of thousands of B.five hundreds ofC.several hundred of D.five thousa there are some 还是there are two there are two bears o-- there 英文翻译：There are same two.和 There are fifty. there are two kinds of memory there are two chairs and a desk There are two farmers ( ) the apple trees There are two pictures ) the wall Are there d_ between the two pictures? There are four windows ( )the two doors. there are two maps on the back there are two p______ of good news. are two there policemen 连词成句 There are two in number.是什么意思? There are some () between the two student There are two baskets of apples There are two t__students in our school.