Read and choose阅读下面的对话，根据上下文，从所给的七个句子中选择五个句子，将对话补充完整，并将该选项前面的字母编号写在相应的横线上.。（每句2，共10分）
Mr. Black: It’s time to go, boys and girls. _________________________
Tom: No, John is not here. Look, he’s over there.
Mr. Black: ____________________ Is he running to us?
Tom: No, he is playing with Chen Jie.
Mr. Black: Go and tell him to come here, Tom. ( Tom runs to John and Chen Jie. )
Tom: John and Chen Jie, it’s time to leave now. ________________________
John: No, we are doing an experiment on insects.
Tom: ______________________________
John: Yes, they like it very much.
Tom: _____________________________
--Sam, you shouldn’t ___the books down.
--I know. Sorry, Mum.
A. hold B. put C. take
Li Yuchun is my favourite singer. She sings very ___.
A. high B. well C. fast
--Xiaoyong looks very sad.Do you know ___ ?
--Maybe he misses his mum. She is in America.
A. whose B. why C. what
--Why sre you ___? --Because my cat ate my chocolates. My grandma sent them to me.
A. happy B. bored C. angry
--Daming,which is your favourite TV ___ ?
--Around China. I want to go to different place(地方)in China.
A. show B. rule C. team