years of learning Chinese, I still can’t understand everything , particularly in the rural areas. These are my most ______moment—when I can’t understand what people say.

He handed in the essay two days later than hisclassmates，but it was still _____the time limit set bythe teacher

When Mr. Lee came to life, he found himself lying on the floor with his hands _____ behind his back.

Don’t forget to take your bag when you _________ the bus.

, where are you going –To the supermarket.