------ What happened to you yesterday evening? Why didn’t you finish your work?
------____ the lights off, we could not continue our work. As a result, we had to leave.
| A．Until | B．Because | C．With | D．As |
相关试题
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．though |
She is very dear to us. We have been prepared to do it takes to save her life.
| A．whichever | B．however | C．whatever | D．whoever |
What the boy enjoys _____ to have a room of his own.
| A．being | B．to be |
| C．is | D．are |
_________ he is, he has a wide range of knowledge.
| A．Although a child | B．While child | C．Child as | D．A child as |
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