that the drowning child was struggling in theicy water, the soldier dived into the river without hesitation, ___ his ownsafety．

While crossing the mountain area, you’d better carry a stick in case you________by wild animals.

－I have great_____ in learning math and I’m so worried. Could you help me－Sure. I’d beglad to.

15It’s only by travelling or living in a country and getting to know its inhabitants and their language _________ one can find out _________ a country and its people are like

This is a(n) __________ arrangement,not a permanent one.