英语句子开头第一个字母必须__________ ,词与词之间必须有__________ 的间隔。
The Olympic Games ________ every four years.
The old people and the children must ____________ in our country.
You ____________ to the ball. Why didn't you go?
Betty and her classmates are going to _______ a school magazine, and the magazine __________ New Standard.
You may go fishing if your work _____________.