1) b
2) c - здесь от ситуации зависит. Можно сказать, что это просто действие в прошлом с неуказанным временем, а можно посчитать, что это результат к настоящему моменту (тогда b). Скорее всего, в учебнике должно быть правило.
3) b
4) c - та же самая ситуация. Может подойти и b. Но мне интуитивно больше нравится c.
Kirk and Clive play games every day. Helen often plays games.
Their mother doesn’t play games.
Kirk and Clive often roller-skate.
Helen sometimes roller-skates.
Their mother doesn’t roller-skate.
Kirk and Clive watch cartoons every day. Helen watches cartoons every day.
Their mother often watches cartoons. Kirk and Clive sometimes watch DVD. Helen often watches DVD.
Their mother often watches DVD.
Kirk and Clive always help their mother.
Helen helps her mother every day.
Kirk and Clive sometimes play football. Helen doesn’t play football.
Their mother doesn’t play football.
Kirk and Clive go to school every day. Helen goes to school every day.
<span>Their mother doesn’t go to school.</span>
1. Contact
2. Ruins
3. Active
4. Climate
5. Thought
6. Handshake
7. Charity
8. Cruise
9. Burp
10. Donation
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