Tack and mary are（ ）,括号里应该填什么,为什么?

Tack and mary are（ ）,括号里应该填什么,为什么? Mary and Betty are jim and mary are _china Kate and Mary are A________ （ ）mary and bob talking?是填is还是are? 1.Mary and Jane are in the same grade.(改写,意思不变)Mary and Jane are（）in（）grades. Mary and Jane are in the same grade改写意思不变Mary and Jane are （ ）in（ ）grades Some books and a pencil case -------in the bag.A.are B.is C.need D.tack选哪个 Mary and Tom are in (同一个班) Mary and Tony are [ ](me)good friends Danny and Mary are playing with their Are mary and cindy his friends?回答 May and Mary are twin s____ （ ）schoolbags are these?They are Tom's and Mary's. Mary.and.Tom.are in.Mary.and.Tom.are in.同一个班 Mary and Jane are twins.But they are( ). Jane and Mary are sisters.T--------- parents are teachers 关于family:Lily's and Mary's _______(家人） are watching TV.