Don sit up and work too hard at night or youll be run ______.

__________ he works hard, I don’t mind when he fin

Don’t be too hard（) the child.A inB onC ofD out

To master a foreign language requires hard work, so you______study too hard.A．shouldB．must

One works hard with a high purpose and not just to show______.A．inB．offC．overD．up

Jack is good kind hard-working and intelligent; ________; I can’t speak too highl

Management often works hard to set up a situation work is done in series.A. that B.