She is not particular _____ clothes as long as they are comfortable to wear.
It’s sometimes difficult to tell one twin from _____.
—Has the little girl passed ______ P.E. test?—She has tried twice, and the teacher will allow her to have _____ third try.
—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.