A．Children's, Teacher's B．Children's, Teachers'

　　C．Children's', Teacher' D．Children', Teachers'

（ ）37．Mrs. Green is ________ mother.

　　A．Jim and Kate B．Jim's and Kate's

　　C．Jim and Kate's D．Jim's and Kate

（ ）38．The baby is only ________.

　　A．ten months old B．ten monthes old

　　C．ten month old D．ten old months

（ ）39．Where ________ you born? I ________ born in Wuhan.

　　A．was, were B．were, was C．were, were D．was, was

（ ）40．When ________ you have a school trip? Sorry, I ________ know.

　　A．are, don't B．do, aren't C．are, aren't D．do, don't