It is said that Nigeria is ____ Great Britain.
| A．three times larger of | B．the size three times of |
| C．three times as the size of | D．three times the size of |
Some people think clowns are only funny for children. _____________ , they can help people forget their problems, at least for a short moment.
| A．Actually | B．Especially | C．Probably | D．Surely |
A smile can help us _____________ difficult situations and find new friends in a world of strangers.
| A．get across | B．get through | C．get out | D．get off |
We should all remember that some great scientific discoveries _____________ by chance.
| A．gained | B．discovered | C．occurred | D．earned |
I had only a few _____________ with Miss Gao, though we work in the same school.
| A．laughter | B．handshakes | C．amusement | D．contacts |
In case it thunders, we’d better _____________ the electricity at once and turn off the TV.
| A．cut in | B．cut off | C．cut down | D．cut away |