We are confident that the environment ________ by our further efforts to reduce pollution.
She rose from being a _______ to become a superstar.
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.