A: What’s the matter, Sara? You wear a sad look on your face. B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.
To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
Though he had tried to climb to the top of the mountain several times, he didn't _____.
The good thing about children is that they _____ very easily to new environments.
Your performance in the driving test didn’t reach the requirements. _______, you failed.
The Chinese are proud of the Shanghai Expo ____ successfully in Shanghai in May,2010.