阅读理解。 Sandy is an English boy.  He is thirteen.  He's a student.  Sue is Sandy's sister.  She's eleven.  She's a student, too.  Sandy's shirt is white.  Sue's dress is red.  They're nice students.  Their father and moth er are English teachers. 1.  Sandy and Sue are_____. A.   teachers B.  brothers C.  students 2.  Sandy's father and mother are_____. A.   students B.  teachers C.  friends 3.  Sandy is _____and Sue is _____. A.  thirteen, eleven B.  eleven, thirteen C.  eleven, eleven 4.  Sandy is in a _____shirt. A.  red B.  black C.  white 5.  Sue is in a _____dress. A.  white B.  red C.  black