Unit 17 LaughterSection Ⅳ Communication Workshop,Culture Corner & Bulletin Board课时训练 Section Ⅳ Communication Workshop,Culture Corner & Bulletin BoardⅠ.根据句意及汉语或首字母提示,填写单词1.The creature lives in the d of the ocean.?答案:depth2.Most people are s of the snakes.?答案:scared3.He bought a l of bread.?答案:loaf4.Air force is an important (组成) of national defense.?答案:component5.The