--------(林红和张蔚的学校)is big and new.-------- (John和Sally的母亲)are Americans.

问题描述:

--------(林红和张蔚的学校)is big and new.-------- (John和Sally的母亲)are Americans.

(Linhong and Zhangwei's school) is big and new.
(John's and Sally'smothers )are Americans.