Warn against غلطی پر خبردار کرنا

The doctor warns against smoking. 

1. About
2. With
3. On
4. None of these

1. For
2. To
3. With
4. None of these

1. In
2. Of
3. With
4. None of these

1. Quietly
2. Brightly
3. Slowly
4. None of these

1. From
2. Since
3. So far
4. For