As a Chinese saying goes, a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.
At the foot of the mountain .
The great hall was crowded with many people, including many children on their parents’ laps.
— Are you satisfied with her work, sir? — Not at all. It couldn’t be any .
The passenger was very impolite to the conductor, , of course, made things even worse.
— Where will you start your work after graduation? — Mmm, it’s not been decided yet. I continue my study for a higher degree.