小学六年级英语时态练习题(一般现在时、现在进行时、一般将来时、一般过去时) 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 did you keep me _ here for so long a time? (wait) 5. Please come to our meeting if you _ free tomorrow. (be) 6. In his letter, he said that he _ us very much. (miss) 7. He said he became _ in physics. (in