.If you read the two compositions carefully,you will find they each other and no wonder Tom and Mary were punished by our English teacher.
30. In some countries, treatments for A(H1N1) flu were neither ________ nor effective, and many patients died because of infection.
29.For English teachers ________ a more effective role in teaching, they must make every effort to raise students’ cross-cultural awareness.
28. —Did you hear Tom was criticized for his spelling mistakes in his English composition? —Yes, but a more careful person ________ so many mistakes.
27.If you ________ to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.
26. —Are you going to further your studies after graduation? —Well, I ________ yet. I might make some other choices.