A person _____a foreign language most be able to use the language ______all his own.
________ he works hard, I don't mind when he finishes the experiment.
his play,, is very wonderful: there are many interesting characters in it.
Quantities of water ________for cooling in the only one of the factories that ________steel.
They were surrounded by the enemy, but they ________at last from the village.
—How do you find Qingdao, Mary? —It’s a beautiful seaside city. I have ________it for my next holiday.