Сделайте следующие предложения отрицательными
1.It is very difficult
2. My students are advanced
3. This apple is red
4. Your tea is ready
5. They are angry
6. This detali is very important
7. My hands are clean

1.It is not very difficult2. My students are not advanced3. This apple is not red4. Your tea is not ready5. They are not angry6. This detail is not very important7. My hands are not clean