【正文】
/ B. like C. look ( )5. There are so _________ cars in the city. A. much B. many C. lot ( )6. My books ________ on the floor this morning. They ____ on the desk now. A. are are B. were are C. are were 四. 用 be動詞的正確形式填空。 Unit 4 Keeping Clean 一. 根據(jù)句意和首字母提示寫單詞,完成句子。 1. There __________ a big lake here before.