精选优质文档-倾情为你奉上六年级英语上册时态练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 ha*e 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 se*eral times. (go)7. In his letter, he said that he _ us *ery much. (
