Ronald Amundsen is considered to be one of the greatest ________ in history because he was the first man to reach the South Pole (南极).
| A．writers | B．composers |
| C．president | D．explorers |
—Who helped Betty tidy up the bedroom just now?
—________. She cleaned it all by herself.
| A．Somebody | B．Nobody | C．Everybody | D．Anybody |
The workers in the Huashan Mountains have to ______rubbish to keep the mountains clean.
| A．turn up | B．pick up | C．mix up | D．give up |
— Whose shoes are these?
— They ____ be Mike’s. They are much too large for him.
| A．might | B．may | C．mustn’t | D．can’t |
The little child was too _______ to hear the end of the long speech.
| A．sleepy | B．asleep | C．sleep | D．sleeping |
We should learn_______ each other.
| A．to | B．from | C．for | D．of |