24．While reading, you can make a mark _____ you have a question

When will you come to see me, Dad?—I will go to see you when you_____ the training course

30He insisted on going abroad to have further study ____ his parents objection

______stopping polluting the earth______hope to live in a better environment

Would she mind playing against her formerteammates– __ She is willing to play against any toughplayers