1.---What grade are you in ? ---I'm in the sixth / first / second grade.

　　2.---Why were you late yesterday?---Because my watch stopped.

　　3.We're in the same grade.

　　4.Here comes the bus.

　　5.Let's get on the bus.

　　6.I'm not late today.

　　7.---Where did you live in Canada?

　　8.I lived in Ottawa.

　　9.Isn't Ottawa in the west / east?------No,it's in the east.

　　10. ---What's your favorite subject?---My favorite subject is P.E.

　　11.I'm not good at calculating.

　　12.Which do you like better, the purple one or the gray one?

　　13.I like the gray one better.7.This shirt is too small for me.

　　14.---Do you have a bigger one?---Sure! This is the biggest one.

　　15.That shirt looks good on you.

　　16.Let's go into the shop.

　　16. Can I try this shirt on ? -----Of course.

　　17. ---How can I get to the amusement park?

　　---Go down this street and turn right / left. It'll be on your left / right.

　　18.You should be more careful.19.We can cross the street.

　　19.---What should we do now?---We should park our bikes.

　　20.---How tall are you?---I'm 150cm tall.

　　21.I'm taller than you are. I'm the tallest.

　　22.I want to ride the roller coaster.---I'm tall enough.

　　23. ---Shall we go to the safari park? ---Yes, I'm interested in jungle life

　　24.I want to take pictures of them.

　　25.Can I borrow your camera?

　　26.---I can't find my brother.---We've got to call the police.

　　27.Please take all your coins out.

　　28.I'm afraid of tigers.

　　29.Qiaoqiao is missing.

　　30.Let's ask her for help.

　　31.---What does he / your son look like? --- He has small brown eyes.

　　33.What's he wearing? -----He's wearing a green shirt and glasses.

　　33.---Is he / Qiaoqiao as tall as you?---No, he's shorter than I am.

　　34.A boy is coming out of the restroom.

　　35.Oh,that's my son!

　　36.When did you lose your son?

　　37.About half an hour ago.