1,Minh brushes his teeth twice a day.
=>How often does Minh brush his teeth?
4,Nga went to see the dentist last week.
=>When did Nga go to see the dentist?
5,My brother is going to the hospital.
=>Where is your brother going to?
6,There are my books.
=> Where’s my book?
7,Simonision a lot of pain now because he has a toothache.
=>Why is it Simonision a lot of pain now?
8,It took Dr.Phong ten minutes to fill Linh's tooth.
=>How long did it take Dr Phong to fill Van's tooth
9,He needs 3 liters of orange juice for the party.
=>How much orange juice does he need for the party?