Li and I arrived ______ Heishan country safe and sound, all is well. Don’t be worry.
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.
—When did you start to collect stamps? —I got my ______ stamp when I was ______ years old.
_____ Henry’s mother _____ his father speaks English. They both speak Chinese.