With children, if you say "no", you have to mean ______.
Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
It is generally considered unwise to give children ________ they wants.
Without facts, we cannot form a worthwhile opinion for we need to have a factual knowledge ________ our thinking.
Shangri-la, which is _______ happy home for the local people, is also ________ home to many birds and animals.
--- Hi, Timmy. I’m going to Kitty’s party. --- ________.