Barack Obama delivered a speech to 500 local youths during his visit to China, many of were from Fudan University and Tongji University.
____the fog, we should have reached our school.
He had an expression of resentment(不高兴), as if Martin___a fool of him.
“Would you have told him the answer had it been possible?” “I would have, but I ____so busy then.”
If I___you, I____more attention to English idioms and phrases.
If you really want yourself to be in good health, you must___always___so much.