Ex2

2)Did all students pass the test?

3)Did Maria find her essay?

4)Did they make a lot of noise last night?

5)Did Mick wake up his parents up when he get home?

6)Did Chris and Sandy buy a new computer at the weekend?

7)Did Gary lose his smartphone at the concert?

Ex3

2) No, they didn't

3) Yes, she did

4) No, they didn't

5) Yes, he did

6) Yes, they did

7)No, he didn't