---What are these ? --- ______ are pens.
–Where is Mr.Smith?--He isn’t here. He ______ to England.
—Have you seen book on the desk?—Is it English book? I saw it just now.
There is _____ interesting on this channel. Please try a different one.
Is it important ________us __________ learn English well?
I don’t know when Kitty ___________ tomorrow, and please give this message to her when she _________________.