It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
| A．symptom | B．similarity |
| C．sampleA | D．shadow |
The lost car of the Lees was found _____ in the woods off the highway.
| A．vanished | B．abandoned | C．scattered | D．rejected |
Now that he has publicly_____ he was wrong, he is sharing the child-raising and household tasks with Pat.
| A．announced | B．admitted | C．declared | D．allowed |
Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
| A．powerful | B．influential | C．monstrous | D．vigorous |
He often dreams of going_____.
| A．aboard | B．abroad | C．board | D．abandon |
The boy slipped out of the room and headed for the swimming pool without his parents' _____.
| A．command | B．conviction | C．consent | D．compromise |