当你想知道对方正在干什么时，问（）

A.Where is your home

B.How do you go home

C.When do you go home

A.How do you go to school

B.o you go to school by bike

C.o you go to school by bus

A.How are you

B.Nice to meet you

C.ye

A.I'm eleven years old

B.How tall are you

C.How old are you

A.What can you do

B.What do you do

C.What would you like to eat

A.Where is it？

B.What is this？

C.What colour is it？

D.How far is it？

A.Why

B.Wow

C.OK

A.What’s this

B.What are in the pictures

A.What's this in English

B.What colour is it