Beijing Man used fire for cooking food and also for light, warmth and ________ wild beasts.

Bill was doing a lot of physical exercise to build up his______.

There are many people who have a          like yours, but they don’t believe they have the power to do anything to improve our environment.

Tom’s and John’s＿＿＿＿＿came to London last week．

She is also 25 and a native of Beijing, but the ______ between us ends there.