The elephants ought ______ hours ago by the keepers.
a. to be fed b. to feed c. to being fed d. to have been fed
相关试题
The companies are working together to create ____ they hope will be the best means
of transport in the 21st century.
| A．that | B．what | C．which | D．who |
A good story does not necessarily have to have a happy ending , but the readers must not be left ______.
| A．unsatisfied | B．unsatisfying | C．to be unsatisfying | D．being unsatisfied |
Washington, a state in the United States , was named _____ one of the greatest American presidents.
| A．in honor of | B．in control of | C．in favor of | D．by means of |
The English spoken in the United States is only slightly different from ____ spoken in England.
| A．which | B．what | C．that | D．one |
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