______ people have become masters of their country ____ science can really serve the people.
Have you finished using my dictionary?—Yes, I put it back on your desk just now. Who ________ it away?
It is so noisy here that I can’t hear _____ just now. Could you please say it again?—No problem.
_____ do you like Chinese food? -Very much.
My grandmother found watching TV _________ but I enjoyed it very much..