There __________great changes in our hometown in the past fifteen years.
____ you _____ to go to the park when you were children? A. Did, use B. Did, used C. Do, used
--- ____ does her brother improve his English? --- He improves it____ asking the teacher for help. A. How; by B. What ; with C. Why; by
-- It seems that it’s going to rain. Take my umbrella. --- _______. I have a raincoat in my bag.
Sometimes _______turns off the lights in the classroom because every body thinks somebody will do it.
Everyone says that he is difficult to _______,but I don’t think so.