----- Nội dung dịch tự động từ ảnh -----
17. I
a. have to
18. We
a. shouldn't
wear a jacket. It's hot outside.
b. may
recycle if we want to save our planet.
c. don't have to
c. don't have to
- Yes, of course dear.
c. Must
b. must
19.
..I use your tablet mum ?
а. Мау
20.
a. Must
b. Should
you help me please ? These bags are too heavy.
c. Could
b. Should