—Have you found the problem with the computer ?
—Sorry. It ______ .
| A．is checked | B．is being checked | C．has checked | D．was being checked |
相关试题
It took several hundred years ______ paper-making spread to western countries.
| A．when | B．before | C．after | D．since |
—I’ll tell Daisy about the change of our plan tomorrow.
—You 
______ her yesterday.
| A．should have told | B．ought to tell | C．must tell | D．would have told |
Wouldn’t it be ______ wonderful world if humans could live in ______ peace?
| A．a; the | B．the; 不填 | C．a; 不填 | D．the; the |
Of these two basketball teams, the former comes from the US; the ________ comes from England.
| A．late | B．later | C．latter | D．lately |
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