Not until Mary reads her composition the second time ___________the spelling mistake.
| A．did she notice | B．she noticed | C．does she notice | D．she has noticed |
The old black woman sat under the pine tree, her grandsons, ______ around her, ______ to an old story.
| A．seating; listening | B．seated; listened | C．seating; listened | D．seated; listening |
He was elected______ president of the company, and _____news came ,in fact, as ______surprise.
| A．a; the ;X | B．X; the ; a | C．a; X; the | D．the; the; a |
--- Will you read me a story , Mummy?
--- Ok. You ____ have one if you go to bed as soon as possible
| A．must | B．might | C．shall | D．could |
_______ in the war, many children have become orphans(孤儿).
| A．Their parents were killed | B．Being killed | C．Their parents killed | D．Killed |
Hard _____ he tried, he failed to catch up with the first runner.
| A．although | B．as | C．while | D．when |