精选优质文档-倾情为你奉上小学六年级英语时态习题 用适当形式填空.1. He _ back a month ago. (come) 2. My mother often tells me _ in bed. (not read) 3. I must take it back the day after tomorrow. You can only _ it for 24 hours. (keep) 4. Why have you kept me _ here for so long a time? (wait) 5. Please come to our meeting if you _ free tomorrow. (be) 6. She _ to the Great Wall several times. (go) 7. In his letter, he said that he _ us very much. (mis