—Dad, must I become a doctor like you when I finish university in the future?
—No, you________. You can make your own decision and do whatever you like.
don’t have to
can’t
mustn’t
couldn’t
Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.
This pair of jeans looks nice_____ Sandy because she looks very nice_____ blue.
——Mum, may I have some cakes? ——Sorry, there’s ____ left in the box. I’ll go and buy some for you tonight.
So far this year we________a fall in house prices by 5 and 10 percent.
Too much homework can make us _______ or sad.