6) 1а. Isn't wearing (today на данный момент происходит, значит континиус) 1b. Wears (always, значит постоянное явление, а не на данный момент, s добавила потому что с he/she/it s добавляется к глаголу в настоящем времени). 2a. Is working (now в данный момент). 2b. Doesn't work (at the weekend - постоянное действие) 3а. I'm not using (at the moment - в данный момент происходит действие). 3b. Use (sometimes- иногда, не о данном моменте речь, present simple используется с sometimes). 4а. Are studying (at the moment- в данный момент). 4b. Don't study (every day - указание на постоянное действие). 7) 1. What are you doing now? - I am doing my homework now. 2. What do you usually do on Sundays? - On Sundays, I spend time with my friends. 3. What are you wearing today? - In the morning I was wearing a school uniform and I am wearing casual clothes at the moment. 4. What do you usually wear at the weekend? - At the weekend I wear comfortable, casual clothes. 5. How often do you study English? - тут ответ индивидуальный, как часто ты учишь английский. Напиши на русском и я переведу