五.填入适当的介词.

How many Art lessons do you have______ a week?

First draw some flowers________ the paper.

She goes to school ________ half past seven.

Can you come and help me _________ my Maths?

Here's a new copybook ________ Nancy.

Take _______ your coat,please.It's hot todday.

Boys and girls,this is the first day_________ the new term.