He made another wonderful discovery, ______ of great importance to science.
—Mr Johnson, _______ a second chance, I will finish the task as planned.— OK, don’t let me down this time.
_______ human beings use it in a wrong way, like we did with nuclear technology, the advancement of science and technology has never led to decline of human development.
—I’m afraid the project may be several days behind schedule due to bad weather.—Don’t worry. Three more assistants will be _______ in no time at all.
Ding Junhui plays _______ Gary Wilson in the semifinal of the 2015 World Snooker China Open in Beijing, April 4, 2015.
—Mum, Dad ought to stop working?—Yes, he has a bad headache because he _______ too long.