Ответ:
1 It often rains at this time of the year.
2 I don't drive to work. I go by bus.
3 She usually has lunch at about 1 o'clock.
4 He doesn't earn much money in his job.
5 This problem doesn't happen very often.
6 My father flies to the USA regularly.
7 Trains to Oxford leave every hour in the morning.
8 You don't do your work carefully enough.
9 She reads a newspaper every day.
10 We don't listen to the radio very often.
11 He often arrives at work late.
12 They go to a lot of concerts.