33. To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
The United Nations are evaluating the damage caused in Haiti earthquake, while in Chile the government itself ______ the lead role.
Put yourself in situations where you're forced to communicate in English, ______ you'll see more progress over time.
Tom's mother kept telling him that he should work harder, but ______didn't help.
As Susan stared at ______ piles of plastic in her recycling bin, ______ strong sense of responsibility made her stick to her recycling work.
—Fancy meeting you here at this time!—