As a mother of two young boys, she knows the difficulties of keeping kids ______.
| A．to entertain | B．entertaining |
| C．entertained | D．entertain |
We already have ______ pencils, but we need two ______ pens.
| A．dozen of, doze | B．dozens of, dozens | C．dozens of, dozen | D．dozens of, dozen of |
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 |