填入适当的介词。(8%) (1)How many Art lessons do you have ________ a week? (2)We have a Computer Studies lesson ________ Friday. (3)Draw some flowers ________ the paper. (4)She goes to school ________ seven o’clock. (5)Can you come and help me ________ my Maths? (6)Here’s a new copybook ________ Nancy. (7)May I speak_______ Nancy? (8)Boys and girls, this is the first day ________ the new term.