`1` What time is it ? 
`2` What grade are they in ? 
`3` How many children do they have ? 
`4` Where is Nam's classroom? 
`5` What time does she have lunch ? 
`6` How many boy are their in your  class? 
`7` Wher does Mr.Hung live ? 
`8`  What does Nga do after chcool ? 
`9` What time does Mình go home ? 
`10`  What subject do we have on Monday and Friday ? 
`11` What subjects does Ba have on Tuesday ? 
`12` What time does Lan get up ? 
`13` What is in front of your house ? 
`14` Where does your father work? 
`15` What is that ? 
`16` How old are their children ? 
`17` What is your brother's name ? 
`18` What is there next to your street ? 
`19` Where are the children?