(三)根据提示,写出正确答案。 1. The cinema is __________ (temporary) open to all for free. 2. We should teach us with _______ (variety) branches of knowledge. 3. The little boy held his mothers hand ______ (firm) when crossing the street. 4. His nose couldnt be prevented _____ bleeding. 5. Examples include mild sunburns and burns caused by _________ (touch) a hot pan, stove or iron for a moment. 6. Dry and cover the ______ (burn) area with a clean cloth gently. 7. It is vital _______ (earn) our living in a proper way.