-- Sir, could you please wait for another 20 minutes and we’ll serve you very soon.-- Another 20 minutes? It was only 6 o’clock ________ I got here, but it’s 7∶10 now.
—It can’t be too worse. —Just _______. Things will turn out to be better so long as you don’t stop trying.
The villagers have already known _________ we’ll do is to rebuild the bridge.
The development of industry has been ________ gradual process throughout ________ human existence, from stone tools to modern technology.
—What shall we do tonight then? —_______ -whatever you want.
It suddenly occurred to him ________ he had left his keys in the office.