Don’t ______ /l?k/out of the window in class.

I can’t breathe ______ my nose.[ ]

Good news! There is ______ a birthday party this weekend．—Great．I was told it was Mary’s ______ birthday this weekend．

Where is Tom? We can’t find him anywhere. —Perhaps he_____ home.

Who taught ________ to write the computer programs? —Nobody. She learned it by __________.