It is amazing that the little boy can swim ________the river ________100 meters in width.
I’m afraid we must hurry—the train at six o’clock.
As we know, no matter how a man is, if he doesn’t learn, he knows nothing.
Our teacher suggests ______ English every day to improve our spoken English.
— How about Thursday morning? Say, 10 o’clock?— OK. I’ll be expecting you then.
Do you have enough money to ______ all your daily expenses?