We begin ___ our first lesson at ____ every day

We begin ___ our first lesson at ____ every day
1.We begin ___ our first lesson at ____ every day ( )
A.haveing;8 clock B.to have ;8 o'clock C.is having ; 8 clock D.to has;8 o'clock
2.Please _____ (close) the floor before you leave the classroom.
3._____ your Chinese teacher ______ (take) a bus to school every day?
4.Who ____(wear)a pair of glasses?—Many students do.