-----Did you have a hard time traveling back home?-----Yes, it ______ for four days when I arrived in Guiyang and all the roads______ covered with ice.
The students are forbidden,unless they have special excuses,________after 11 p.m.
What he said sounds________.
I can hardly believe it. Did you really swim _______across?
She had a _______escape when a lorry crashed into her car.
It's required that mineral resources _______hand in hand with the local environment protection.