资料简介： 一．选择填空：
1. The boy was playing with a cat _____ a UFO landed before him. A. that B. while C. when D. because 2. You must have _______ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy Awards(第77届奥斯卡金像奖颁奖典礼). A. h |
