It came as_______ surprise that Poland’s President and scores of its top officials were killed in _______ air crash in Russia.
| A．不填; the | B．a; an | C．a; 不填 | D．the; an |
—Why should I correct it right now, Mum? It’s OK, I think.
— Well, Honey, it will _______ trouble in the future.
| A．pass by | B．refer to | C．take up | D．lead to |
As a child, Johnson would sit on the steps alone, _______ the sun ______ down.
| A．watching; go | B．watching; went |
| C．watched; going | D．watched; went |
We’ll send you a copy as soon as it becomes _____. We are working on it day and night.
| A．present | B．qualified | C．available | D．permanent |
— Do you know where Mary is? I couldn’t find her anywhere.
— Well . Shehave gone far—her coat’s still here.
| A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
Jenny _____ continually _____ unexpected questions. We were tired of her.
| A．has; asked | B．was; asking | C．had; asked | D．will; ask |