—Jack took the 8:30 bus to Guangzhou this morning.—Really? He ______ 8:20 Express. It is much more comfortable and faster to travel by train.
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.
I______it again.