My uncle is a scientist.He is always busy with _research_ work这里的research为什么是adj?不是这里面有个短语是be busy with 加n或Ving吗?急

My uncle is a bus my uncle is a farmer Sam Brown is my uncle.I call him____.A.Uncle BrownB.Sam UncleC.Uncle Sam My uncle has a brother.He is not my uncle.Who he is? My uncle has a brother,He is not my uncle.who is he?key:____ Sam Brown is my uncle.I call him____.A.Sam B.Brown Uncle C.Uncle Sam BrownD.Sam Uncle my uncle is a doctor.对a doctor 进行提问[ ] is [ ] uncle？ My uncle is a policeman.(对划线部分提问）My uncle是划线部分 My uncle is a German怎么变复数句My uncle ＿＿ 初一英语,Jim Brown is my uncle,I call him______. A.un初一英语,Jim Brown is my uncle,I call him______.A.uncle Brown B.uncle Jim My uncle is a ().Heworks in a restaurant my uncle is a famous ( )in a university my uncle is a man with a strong________(person) my uncle is _____ sales manager A.a.B.an my uncle is a doctor.对a doctor 提问 ______ ______your uncle? my uncle is a doctor改为一般疑问句 uncle a doctor? -who is it?my uncle has a brother ,but he is not my uncle -who is he?谜底是什么 My uncle is a bus driver.改一般疑问句