I’ll help clean up the city parks. Where would you like to visit?
When was it invented?
By the time I got outside, the bus had aleady left.Could you please tell me where the restrooms are? You’re supposed to shake hands.
I like music that I can dance to.It must belong to carla. U7---u9 U4—u6 U10—u12
Rainy days make me sad.
What would you do?Teenagers should be allowed to I used to be afraid of the dark.
Have you packed yet?U13—u15 We’re trying to save the manatees!
u1---u3
新 目九 标年 英级 语
How do you study for a test?
教材的知识结构及处理