--How did she get infected?
--She ________the virus without any protection.
| A．exposed to | B．had been exposed to | C．had exposed to | D．was exposed to |
相关试题
Not until I came home last night ________ to bed.
| A．Mum did go | B．did Mum go | C．went Mum | D．Mum went |
—Why don’t we choose that road to save time?
—The bridge to it __________.
| A．has repaired | B．is repaired  |
C．is being repaired | D．will be repaired |
In order to find _______ better job, he decided to study _________ second foreign language.
| A．the; a | B．a; a | C．the; the | D．a; the |
—I don’t care what people think.
—Well, you _______
| A．could | B．would | C．should | D．might |
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