______ the ancient Egyptians built the pyramids puzzled people for centuries.
| A．Whether | B．What | C．How | D．Where |
相关试题
The number of people invited
_____ fifty, but a number of them _____ absent for different reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
_________ that he learned some Chinese as a child.
| A．He is believing | B．He is believed | C．It believes | D．It is believed |
She was so angry at all _____ he was doing _____ she walked out, and closed the door behind her.
| A．that; that | B．what; that | C．what; as | D．what; which |
His _____ English is very good, because he is from Australia, an _____ country.
| A．spoken; English-spoken | |
| B．speaking; English-speaking | |
C．spoken; English-speaking |
D．speaking; English-speaking |
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