27. Peter thinks that he had better don’t quit his job until he finds
1 2 3
another one.
4
28. The flight was scheduled to take off at 2:30 p.m., but due to some
1 2
mechanical problems, it was delayed for mostly three hours.
3 4
29. When Mr. Suki, the new representative from Japan, starting his
1 2
new job in Thailand, he had difficulty communicating with the
3 4
employees.
30. Primitive people used dyes of vegetable origin to color their bodies,
1 2
believed that certain colors, notably red, could drive out evil spirits
3 4
or illness.
31. Students would have to pay a late fee unless they register before
1 2 3
the last day of the regular registration period.