听音，找出句子中含有的单词，将序号写在前面的括号内。（每题2分，共10分）
You ______listen in class .
A. should B. shouldn’t C. couldn’t
She was thirsty . She _____some water .
A. drink B. drank C. drinking
There ______tall trees .
A. is B. are C. was
根据情景，补全对话。
Sam: It’s mine!
Amy:（1）__________,Sam. It’s mine!
Ms Smart:（2）___________
Amy: Sam wants to wear my T-shirt.
Sam: （3）________ It’s mine.
Amy: （4）_________ It’s mine!
Ms Smart: But both your red T-shirts are there.（5）_______ Look!
Sam: Then Whose T-shirt is it?
Lingling: It’s mine . Look!
Sam and Amy: I’m sorry.
Lingling: That’s OK .