Tom is taking a ... course in web design that is only 3 weeks long
A)Fast
B)heavy
C)smash
D)crash

fast

1) did you go to the theater?

2) where did you go?

3) did you go to school yesterday?

4) did you hear the news?

5) when did you see her?

6) what did he say?

7) did he use to take english lessons?

8) what did you do at the week-end?

9) why didn't you phone me on tuesday?  

10) why were you so angry?

1. i must brush my teeth. - anyone, most likely some disobedient child.

2. i have to brush my teeth. - a patient of dentist's, a human with diseased tooth.

3. i must tidy my room. - anyone, most likely some disobedient child.

4.i have to tidy my room. - anyone, probably a child.

5. i must take the medicine. - someone with easy form of illness.

6. i have to take the medicine. - most likely, a regular patient