should not be allowed to go out at night.A. Twelve-years-old B. Twelve-year-oldsC. Twelve year old C. Twelve year old
—What class are you in? —I’m in ____, ____.
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
—____ are you? —I’m twelve.
—____ —They’re books.
—What does she look like? —____