2010学年度第一学期高一级第一次段考第二部分：语言知识及应用（共三节，满分60分）第一节 单项选择 （共15小题；每小题1分，满分15分） 21. Ladies and gentlemen, please fasten your seat belts. The plane _ in five minutes.A. is about to take offB. is taking offC. takes off D. was taking off22. We will lose the game unless he _ us. A. helpsB. helpedC. was helpingD. has helped23. I _ James this evening and ask her to come to my party. Dont phone her between 6 and 7 oclock. She _ a bath.A. am about
