双基限时练(十八) module 5 section ⅱ 基 础 夯 实 ⅰ.单词拼写 1．he ________(插入) a key in a lock and opened the door. 答案 inserted 2．after the ________(有争议的) discussion, they finally reached an agreement with each other. 答案 controversial 3．in many countries it is considered rude to ________(吐唾液)in public.
