现在进行时表达正在进行的动作 — 英语词汇题
题目
根据句意和首字母提示补全单词。1. My mother is c_______ dinner in the kitchen now. 2. Listen! Someone is k_______ on the door. 3. Look! The children are t_______ on the phone about the trip. 4. Be quiet! The baby is s_______ in the room. 5. —What are you doing? —I am s_______ for some information on the Internet.