Choose the correct options.

1. After Tom read / had read the email, he turned off / had turned off his computer.

2. Did Jane learn / Had Jane learnt to read and write before she started / had started school?

3. We didn’t have / hadn’t had a foreign holiday until last summer.

4. We were / had been tired because we played / had played football all afternoon.

5. I visited / had visited five cities in southern Việt Nam by 2001.