1 What time do you start work every day? I start work at 7. (слова every day - маркер Present Simple)
2 Do you work at weekends? No, I don't work at weekends. (at weekends - по выходным, речь о регулярных действиях, нужно использовать Present Simple)
3 What are you doing at the moment? I'm doing some research. I'm looking for something on the Internet.
4 Do you spend much time on the Internet? Yes, I do. I spend a lot of time working on my websites.
5 Does your wife go to work? No, she doesn't go to work. (в ответе уже подсказаны глаголы для вопроса)
And what 6 is she doing now? She is doing some shopping, I think. (Present Continuous для обозначения действия, протекающего в данный момент)
7 Where does she do the shopping? She usually does the shopping at a shopping centre. (Usually - маркер Present Simple)
8 Who helps her with shopping bags? Our son helps her. (обычные/привычные действия, Present Simple)
9 Are they shopping together today? No, they aren't shopping together today. (речь только о ситуации сегодня, поэтому используется Present Continuous)
Объяснение:
Jenny: Hi Sam! How are (be) you?
Sam: I (2) *am* fine, thanks, Jenny. I (3) *telephoned* you yesterday. Where (4) *were* you?
Jenny: I (5) *needed* some new shoes so I (6) *went* shopping in town.
Sam: (7)*Did* you *get* any?
Jenny: Yes, look. What (8) *Do* you *think* of them?
Sam: Oh, I (9) *am not sure* that I (10) *like* the colour.(11) *are* they blue?
Jenny: No, they (12) *Are* green! I (13) *had thought* blue as well, but when I (15) *took* them outside the shop I (16) *saw* that they (17) *were* green.
Sam: (18) *Were* they expensive?They (19) *look* very expensive to me.
Jenny: No, I (20) *got* them in the sale.