10 mayo, 2013

5A PERMISSION. OBLIGATION AND NECESSITY


a 2. X had better not 3. √ 4. X mustn't download 5. √ 6. X ought to 7. √ 8. √ 9. X ought to have thought of.
b 2.√ 3. √ 4. had better 5. should 6. can't 7.√ 8. √.
c 2. no difference 3. no difference 7. must is stronger 8. had better is more urgent.