37.They are busy______ready for the exam.A.get B.getting C.to get D.gotreally.可答案不是这个,难道是be busy doing sth

The students in Grade 3 are busy____ the coming exam in June.A.because of B.because C.for D.with请说明原因, They are they are Are they They are -------are they?they are --------(tomato) She is busy____(work)these days. Her mother is busy____(do)the housework. --Are they ( ) buuks?No,they are not .--They are ( ) buuks. They are green.They are long.They are g( ) b（ they are food.they are long.they are white.谜底 are they,do they 区别 Are they horses?They are__________ Are they ( )skating?Yes,they are. they are who they are.怎么翻译? where they are 和where are they They are not______school.They are _______home. They are () bikes .They are theirs