we will have a long summer holiday.____it is!

we will have a long summer holiday.____it is!
a how big B.How nice C.how short
all the students____
A.have good time at the school
B.have a good time at the school C..have a good time at school
when the school_____,we____
A.is over/go home B.ends/go to home C>end/go home
He ___ very late yesterday.
A.came school B.came to school C.went school