The teacher said light much faster than sound.
| A．travel |
| B．travels |
| C．travelled |
| D．traveled |
Yosemite National Park has the best collection of native plants. ______, it contains a great number of trees and flowers from overseas.
| A．In addition | B．In return | C．In reward | D．In reality |
The engines of the ship were out of order and the bad weather ______ the helplessness of the crew at sea.
| A．resulted from | B．turned out | C．made up | D．added to |
It must have taken a long time to _______ all the facts of these old books.
| A．dig out | B．take out | C．break up | D．take apart |
In every communication, information ______ by gestures is always easy to misunderstand.
| A．suggested | B．transported | C．expected | D．signaled |
It’s difficult to ______ what the long-term effects of the accident will be.
| A．calculate | B．forecast | C．guess | D．form |