The 30th Olympic Games will be held 2012.
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.
--- Shall we take a bus to the library?--- It’s not far. I think we________ take a bus. Let’s walk there.