Jintan is becoming these years.

(2013·河北普通高中高三质量监测)Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.

28Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy

How do your students improve their English writing–Well, about _____ of the students like keeping diaries in English in our class.

I have an interesting book.