What a smart and hard-working boy he is!—Right ________ a possibility that he will win the first place in the competition

I hear that my brother won the singing competition last Friday , but I’m not sure _______ that.

Since the war _________ in Syria in 2011, there have been a great many refugees(难民) running to nearby European countries.

Ann’s family__________having dinner now. Her family_________a big one.

I like ____ for breakfast.