that you didn’t care about this matter at all, I should not have wasted my time explaining it to you.

“We Chinese people always put emphasis on the friendly relationships ______ the people of all countries.” said the Ambassador

The students are listening to the teacher with their eyes the blackboard.

ter use is ________ of your spare time, you’ll make good progress in doing your business.

oked in the direction of the window, but there was nothing in front ______ the deep darkness.