Once harm is _______ to the eco-system, all species will ________, including man himself.

Here I can only give you some purely ___ views of how we can control the situation.

Mum is ill in bed now. I must ______her at home.

________—I have aheadache and I don’t feel like eating anything.

People develop _______ preference for a particular style of learning at _______ early age and these preferences affect learning.