1.There are fifty students in our class,the number of the bo

1.There are fifty students in our class,the number of the boys ___ 28.
A.is B.are C.be D.to be
2.Why ____ our school with us?
A.not to visit B.don't you visit C.not you D.not you visit
3.The man's never read books by Lu Xun,____ he?
A.is B.was C.has D.isn't
4.He was much ____ before he became rich.
A.happy B.happily C.happier D.more happily
5.It's not right ____ you ____ others' homework.
A.to;to copy B.for;to copy C.to;copy D.for;copy
6.Please tell me where I can buy the new bike.（改为简单句）
Please tell me where ____ ____ the new bike.