4. Have you ever realized that attention ______ your pronunciation? A: must be paid B: must pay to C: ought to be paid to D: should be paid

Much attention must (pay) ________ to the development of science and technology.

To write an effective E-mail, we must pay attention on_________.

When you give a presentation at a conference, you must pay attention to your____. A: speaking voice and grammar. B: vocabulary. C: personal speaking style. D: all of above.

Which of the following sentences is NOT parallel? A: If you want to do well in school, you should pay attention, set goals, and work hard B: If you want to do well in school, you should pay attention, set goals, and you must be a hard worker C: If you want to do well in school, you should improve your attention span, goal setting, and work ethic D: If you want to do well in school, you should focus on paying attention, setting goals, and working hard