( 上海卷29). -- Sorry, Professor Smith. I didn't finish the assignment yesterday.-- Oh, you have done it as yesterday was the deadline.
By the year of 2053 there will be 487 million aged people in China,means that one third of the population will be over 60.
It is hoped that one day all the wild animals shut up in the cages will be set free to nature and live happily inwild.
Don’t be discouraged. ____things as they are and you will enjoy every day of your life.
She hurriedly left the room without saying anything as if ____.
There are various things on sale, so you can choose____ interests you.