1. Make question for underlined words:
a. Minh brushes his teeth twice a day
--> How may times does Minh brush his teeth?
b. Simon has a lot of pain now because he has a toothache
--> Why does Simon have a lot of pain now?
c. I felt sick after eating that food
--> How do you feel after eating that food?
d. Nga went to see the dentist last week
--> Who does Nga go to see last week?
e. Dr. Lai will check your teeth in a moment.
--> Who will check your teeth in a moment.
f. It took Dr. Phong ten minutes to fill Van's tooth
--> How long did it take Dr.Phong to fill Van's tooth.
g. My brother is going to the hopital.
--> Where is your brother going to?
h. Mr. Cuong did morning exercises at 5.30 yesterday
--> What did Mr.Cuong do at 5.30 yesterday?
i. Hoa received her aunt's letter five days ago
--> When did Hoa receive her aunt's letter.?
k. There are twelve students in Lien class having toothach
--> How many students are there in Lien class having toothach?