1.Sam,do you mind turning down the radio It's so loud that I

1.Sam,do you mind turning down the radio It's so loud that I can't study at all.
Oh,_____.I will turn it off right away.
A.that's OK.B.that's right C.quite sorry D.no question
2.That was the very moment_____I spent with my girlfriend,____I will treasure for ever .
A.that;that B.that;which C.when;which D.which; which
3.Polo,------by his elder brother,learns more and more as he grows up.
A.brought up B.raising C.rose D.brings up