left. Go through that intersec C. don't be turned others, please. 16. At the intersection A. don't turning B. don't turn 17. I don't want anybody to know this. A. No telling B. Do tell 18. late for the lessons again. A. Do be B. Don't be 19. Put all the toys away C. Don't tell C. Not be someone slips and falls on them. C. in case A. provided that B. unless 20. John: I need some fresh air after being at the conference all day. Ann: Lets' back to the hotel. A. get B. getting C. to get 21. If you have filled up this form, a few minutes. A. waiting B. wait C. to wait II. Rewrite the following sentences without meaning changes. 22. You mustn't do such things. Don't 23. You can't this go way. Don't 24. No problem if you get a taxi. Let's D. turn D. Tell D. Be D. so long D. got D. having wait