The teacher told us that light _____ faster than sound.
| A．travelled |
| B．had travelled |
| C．is travelling |
| D．travels |
26. Our school volleyball team has _____ their training to prepare for the coming match.
| A．stepped up | B．stepped to | C．stepped into | D．stepped on |
25. — Shirley won the first prize in the English speech contest.
—Woo! ________ she has made since the beginning of this term!
| A．What great progress | B．How great progress |
| C．What a great progress | D．How great a progress |
24.The students were ____ over the ____ problem, listening to the teacher with a ____ expression on their faces.
| A．puzzled; puzzling; puzzling | B．puzzled; puzzling; puzzled |
| C．puzzling; puzzling; puzzled | D．puzzling; puzzled; puzzling |
23.The country life he was used to ____ greatly since 1992.
| A．change | B．has changed | C．changing | D．have changed |
22. This book ________ 20 articles, ________ three written by his daughter.
| A．contains, includes | B．includes, containing |
| C．contains, including | D．includes, contained |