____ abroad for two years, the two astronauts went back home last year.
| A．Educating | B．Educated | C．Having been educated | D．being educated |
Why were you absent ___ school yesterday?
| A．from | B．for | C．to | D．at |
While playing on the playground, ____.
| A．a stone hurt me | B．a stone was hurt me |
| C．my leg was hurt by a stone | D．I was hurt by a stone |
He seized me ___ arm.
| A．by the | B．by my | C．by an | D．by a |
—____busy schoolwork,the children also have to take arts,music and sports
classes in their free time.
—I wonder what they will become.
| A．Rather than | B．Owing to |
| C．Except for | D．Apart from |
How can you expect to get anything____ you never give?
| A．in case | B．even if |
| C．unless | D．when |