从多个选项中选出五个选项填入适当的横线上，使对话补充完整。（每空2分，共10分）
Ann: Hi,Sam! （1）___________
Sam:No,I like doing kung fu. What are your hobbies?
Ann: （2）_______ my mother likes singing,too.
Sam:What does your mother do?
Ann: 3_________
Sam:How does she go to work? By bike?
Ann: （4）________Sometimes she goes to work by bus.
Sam:（5）_________
Ann:Yes,she does.
— What do you like doing?
— I like ________ flowers.
A. to smell B. smelling
— What can you feel?
— I can feel _________ . It’s a key.
A. something hard B. hard something
What _______ you do on Sunday?
A. do B. are
_________ you free on Saturday afternoon, Tom?
A. Do B. Are
We brush our teeth at seven o’clock ________ the morning.
A. in B. at