It was 80 years before Christopher Columbus crossed the Atlantic______ Zheng sailed to East Africa
Great changes ________ in that school. It is no longer _______ it was 20 years ago.
You can eat food free in my restaurant ______you like.
Our manager bought a ________ car.
The environment will ______ one’s character.
Was it at the Olympic Games ______ were held this year ______ Liu Xiang got a metal?