`1.` How often does Minh brush his teeth?
`2.` Why is it Simon a lot of pain now?
`3.` How did you feel after eating that food?
`4.` When did Nga go to see the dentist?
`5.` Who will check your teeth?
`6.` How long did it take Dr. Phong to fill Van's tooth?
`7.` Where is your brother going to?
`8.` What did Mr Cuong do at 5.30 yesterday?
`9.` Whose letter did Hoa receive five days ago?
`10.` How many students are there in Lien's class having toothache?
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`1.` Brush your teeth after meals.
`2.` Don't play soccer in the street.
`3.` Wash and iron your own clothes.
$JeiKei$