I'm lucky because my job has_____hours, and I can come and go pretty much as I want.
Low-carbon lifestyle is of great benefit to the world environment. However, ________ can be enjoyed from it until you have a deep understanding of it.
Julia was very sad over the loss of the photos she had shot at Canada, _________ this was a memory she especially treasured.
My mother ________ always wave goodbye to me while I was leaving for school.
Faced with the crisis(危机), the government _________ calm and took timely measures.
In autumn, leaves turn yellow and _________ the trees.