В первом задании нужно написать "не так ли" только соблюдая правило(можно найти в интернете)
2) 1. yourself
2. himself
3. themselves
4. myself
3) 1. which
2. where
3. who
4) 1. Mark has felt better after he took medicine
2. Mother has come home before we cleaned the flat.
3. Doctor has arrived before mother checked me the temperature.
4. Ann has gone to school after she was at the dentist
