Unit 3-10, 8B Online travel (Checkout)I.词汇A. 根据句意用所给词的适当形式填空。1. This dress is very popular this year. Do you know who the ________(design) is?2. English Classroom is an _______(education) program on CCTV.3. Many people use computers in their ______(day) lives.4. Thousands of ______(tour) come to the Great Wall every year.5. If I am not______(avail) when you phone, ask form my brother.B. 根据句意和所给中文写出句中所缺的单词。6. Can you tell me the ______(主要的) idea of th..