Mary has two brothers,________ are doctors.A.both of they B.both of whom C.both of them D.whom of both为什么选B?

My brother has two brothers.怎么翻译 There are two (f-------) in the classroom building.Mary's brother has a dog .（ ）ofteh helps 　(　　) walk the dog .填人称代词 Mary has one brother（改为否定句）如题 Mary has two big eyes.改为否定句怎么改 把Mary has two brothers改为一般疑问句, mary has got married since two years ago改错 把下列句子改成否定句.This ia my brother.It is his book.He is sad.He has a bag.They like red.Mary and Amy are sisters.I have breakfast every morning.Mary likes math.That is my brother.I am happy.She has two sisters.His favorite teacher is Mi 把下列句子改成否定句.This ia my brother.It is his book.He is sad.He has a bag.They like red.Mary and Amy are sisters.I have breakfast every morning.Mary likes math.That is my brother.I am happy.She has two sisters.His favorite teacher is Mi My brother has two tennis rackets.改成一般疑问句 has brother a he sisters two and 连词成句 My brother has two ( ) for dinner every evening. My little brother has two big _______(smile)eyes His brother has two bing ears.[改为否定句] his brother has two big ears 否定句 She has two brother,_____________________( 他们都是老师). 改同义句My brother has learned English for two yearsMy brother has learned English ____ two years _____ Those are my ___(orange).这个怎么写啊 括号里的是所填单词的形式还有 Mary has two ___(brother).___(that) are my jackets.Are your _____(grandparent) in China? Mary has two （sisters and three brothers）.对画线部分提问.（）（）Mary （）?