Columbus ______ America in 1492. But he didn’t explore it. A. looked for B. found out C. discovered
Zhou Libo is Shanghai's favorite funny man. He is good at making people laugh. His lively shows were ________ hot that tickets were sold out in minutes.
I really enjoyed your speech,________ there were some parts I didn't quite understand.
I enjoy fresh air so I always let the window open ________ it is really cold.
We will have no water to drink ________ we don't protect the earth.
—You bought the car about ten years ago? —Yes.________ it's old,it still runs well.