In our class,when the bell rang and the teacher closed his book,it was a ________for everyone to stand up.
—Could you give me some advice on getting a job? —First, find out ______ you like doing best.
For better sound effects, he was asked to speak ______ the microphone during the whole process.
So heavy ______ that I felt great relief after taking it off.
My granny does crossword puzzles each day ______ her mind sharp.
Susan's voice still remained calm ______ she was getting annoyed.