---______ can we warn people not to swim here?---By putting up signs.A. How B. Why C. Where
–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?
I don’t know when Kitty ___________ tomorrow, and please give this message to her when she _________________.