–Is that girl your sister?-No, .A. it is B. it isn’t C. she isn’t
It’s ten years since he _________ his hometown.
The students shouted with ________ when they heard the ________news.
Fred’s grandfather _______three years ago. He _______for three years.
—Excuse me, does Mr. Chen live here?—He ______ be here, but he has moved to Nanjing.
The roller coaster there moved _______ high speed.