The experts were doing their experiment in the lab, __________ what happened outside.
| A．didn't know | B．not knew |
| C．not knowing | D．having not known |
相关试题
27．All the Chinese people are expecting the government’s four-thousand-billion financial plan ____ around the country, _____ to improve the current economic situation．
| A．carried out, intending | B．being carried out, intended |
| C．to be carried out, intending | D．to be carried out, intended |
26．______ some teenagers don’t realize is _______ difficult life can be after they get addicted to drugs．
| A．What, how | B．That, how | C．What, what a | D．That, what |
25．I’m afraid I’m not ____ to help with the show, for I am fully occupied with my own project．
A．dependable |
B．convenient | C．available | D．accessible |
24．This photo of mine was taken ____ stood the famous tower．
| A．which | B．where | C．in which | D．There |
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