Look at the sentence from the passage Walk your way to health.But you must commit yourself to walking regularly.Now check (✔) the sentences which have the same structure.If the sentence has the same structure, put “✔” in the right box; if the sentence does not have the same structure, put “x” in the box.○ 1 They forced themselves to work harder.○ 2 We pride ourselves on giving our customers satisfaction.○ 3 The nurse devoted herself to saving patients’ lives.○ 4 He enjoyed himself working out in the gym for a couple of hours.○ 5 We limited ourselves to doing an hour’s exercise every morning.○ 6 Mother Teresa dedicated herself to helping other people.○ 7 I’ve got used to going to bed and getting up one hour earlier than usual.