People have learnt the importance of keeping a balanced diet _____their nutritional needs.[ ]

c. will giveD. will be given

To see a young couple loving each other is no_________, but to see an old couple loving each other is the best sight of all.

He rarely switches on to hear any of theclassical music he claims to be so keen ____.

Let’s ask Michael. I think he can _______ a good idea about how to deal with this problem. [ ]