给出几道英语题!!

要几道啊？我先给你5道.
1;We have a （ ）break between two classes。(A)
A：ten-minute B:ten-minutes C:ten-minute's D:ten-minutes'
2:This girl isn't as carefui as Helen(同义句转换）
This girl is more careless than Helen
3:( )Jim ( ) clean the classroom yesterday afternoon?(B)
A:Had;to B:Did:haveto C:Has:to D:Does:have to
4:LI Lei with his parents ( )visit his uncle next week(D)
A:goes to B:go to C:are going to D:is going to
5:( ) people ( ) walking aiong the beach.(C)
A:Asmall number of;is B:The number of;are C:A number of;are D:The number of ;is

这个网址里好多呢!