Question

3. Escolha uma das opções para completar as orações: MUSTN'T OU DON'T HAVE TO. Fique
atento(a) à diferença de sentido entre as formas negativas!!!
a) Shops
sell alcohol to children. () mustn't ( ) don't have to
b) You
unplug the computer while it is turned on.() mustn't ( ) don't have to
c) You
Internet.
live in Canada to study at the University of Victoria. You can take a course by
() mustn't ( ) don't have to
d) This bus is free! You
buy a ticket
() mustn't ( ) don't have to
() mustn't ( ) don't have to
e) You
pass a test to ride a bicycle.
f) People
smoke in a gas station. ( ) mustn't ( ) don't have to
g) In Canada, employers
discriminate against women or minorities. It's against the law.
() mustn't ( ) don't have to
h) Canadians
get a visa to travel to the US. () mustn't ( ) don't have to
i) You
buy the text book for this course -- you can borrow mine.
( ) mustn't ( ) don't have to
NAV​

Answer 1

Resposta:

a) Shops  mustn't sell alcohol to children.

b) You  mustn't unplug the computer while it is turned on.

c) You don't have to live in Canada to study at the University of Victoria. You can take a course by  the Internet.

d) This bus is free! You don't have to  buy a ticket.

e) You must  pass a test to ride a bicycle.

f) People mustn't smoke in a gas station.

g) In Canada, employers don't  discriminate against women or minorities. It's against the law.

h) Canadians don't have to  get a visa to travel to the US.

i) You don't have to  buy the text book for this course -- you can borrow mine.