句型转换 （10分）
小题1:This is a Japanese car. (改为否定句)
This _____ _______ a Japanese car.
小题2:Those are his sisters. (改为单数句)
________ his ________.
小题3:It is a nice pencil case. (对划线部分提问)
____________ _________ it?
小题4:---- _____________________________ ?
---My phone number is 888-7541.
小题5:This is her brother. (改为复数形式)
__________ ________her ___________.