IV. Fill in each of the following blanks with a word in its proper form.
16. ________ we beat them ______ they beat us, the match will be enjoyable.
17. Dew is formed _________ the grass is thick.
18. She listened attentively ________ she should fail to follow the speaker.
19. This car, ________ I paid a lot of money, is now out of date.
20. There weren’t any movie theaters in the town ______ I spent my last summer.
21. A man’s knowledge consists only of two parts: that ________ comes from direct experience and that _________ comes from indirect experience.
22. When _______ trouble, they always look _____ him ______ help.
23. We must be very sorry _______ what has happened.
24. He missed the train _______ 10 minutes.
25. Products made ________ machines are generally cheaper than those made _____ hand.
26. Some people do not believe _____ teaching formal grammar.
27. Last night I came back late _____ the meeting.
28. She lives _____ 4401 Part Street.
29. It’s eight o’clock now. You ________ be doing your lessons. You _________ (not) be watching TV.