That was because the school bus was _________ by a thick fog.
| A．broke off | B．held up | C．kept up | D．turned off |
“Is there _____ here?” “No, Bob and Tim have asked for leave.”
| A．anybody | B．everybody | C．somebody | D．nobody |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the | C．the, a | D．the, the |
-----Have you seen___ pen? I left it here this morning.
-----Is it __black one? I found it in the corner.
| A．a, the | B．the, the | C．a, a | D．the, a |
Mother told Jim to watch the milk until it boiled and then _____ off the gas.
| A．turn | B．turning | C．turned | D．having turned |
They weren't a particularly good team, but they refused to give in and _____ defeat.
| A．accept | B．accepted | C．accepting | D．to have accepted |