29. A. printing B. writing C. covering D. working
28. A. come out B. come up C. come on D. come back
27. A. arrive B. go C. come D. reach
26. A. designed B. printed C. made D. drawn
25. A. goes B. reads C. gets D. looks
24. A. punctual B. forever C. timely D. constant
23. A. space B. electricity C. speed D. money
22. A. Creating B. Making C. Inventing D. Producing
21. A. focus on B. lie in C. depend on D. consist of
20. A. include B. cover C. conclude D. find