---Does your brother always work so hard?---Yes.______ he catches a cold or has a fever sometimes
Don’t leave the water ______ while you brush your teeth.
Our class teacher is still on ______ holiday, so our monitor will be in ______ charge of the meeting today.
—How did you find your visit to Qingdao, Joanna? —_____________.
One side of the board should be painted yellow, and _______ white.
When I went home after work, I found my house ______ but strangely, nothing had been stolen.