The boy is ________ to look after his sister.
Sigh means “please don’t park your car here.”
–Where is Mr.Smith? --He isn’t here. He ______ to England.
—Have you seenbook on the desk? —Is itEnglish book? I saw it just now.
There is _____ interesting on this channel. Please try a different one.
Is it important ________us __________ learn English well?