It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth.
I don’t like hot weather. This summer I want to stay in Yunnan, because the weather there is _________ Guangzhou.
He __________computer games when his parents left home. So he didn’t know where they were.
She promised that she could finish the work by ___________.
When our parents are not at home, we need to ______ ourselves.
The volunteers kept on searching for the missing people in the earthquake, _____they were hungry and tired.