It's said that going to bed early and getting up early ____a widely accepted good habit．
| A．are | B．is | C．were | D．was |
相关试题
Owen wouldn’t eat anything ____________ he cooked it himself
| A．until | B．since | C．unless | D．while |
— I wonder ________ you’ll water this kind of flower. 
——Every other day.
| A．how often | B．how long | C．how soon | D．how much |
________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
As a new diplomat, he often thinks of_____- he can react more appropriately on such occasions.
| A．what | B．which | C．that | D．how |
—_________ 相关知识点
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