I____thesaxophoneatregularintervals(间隔)formanyyearswhenIwasachild.[ ]

____ does your father work—He works in a hospital.

Zhang Lei won “The Voice of China” 2015 season at the Bird Nest in Beijing on Oct 7, 2015, with years of experience ________ him.

The room with the window _____northwants______.

What will you do—I will ask them to spare me a few minutes so that I can all the problems.