以go为标准来添加字母 He __________to school by bus. I usually ___________to school on foot. 以have为标准来添加字母 I __________a comic book. she ______flower seeds. I want to read some books.But I not____________books. 将be改成“is" "are" "am"选一个 例如：There (be)___are___ducks. There (be)_____a apple ,two bananas. I (be)_____a student. 现在进行时 I'm (do)___________the dishes. 将来进行时 where are you going this afternoon? I'm going to the bookstore. 这就是将来进行时.
