Adverb clauses of contrast/ concession (tr.517)

Đáp ánTrang 517

… most of the students couldn't do it.
… I fell asleep in the armchair.
… they don't know what to do with it.
… he doesn't have any free time.
… we decided to spend the day on the beach.
… I couldn't understand what he said.
… we didn't want to come home.
… I don't have time to go out.
… I can't afford to buy it.
… no one believed a word of it.