Liu Yan is good at math. He always writes __________ in the test.
Tom was so careless that he often________the exam.
Boys and girls,attention,please.Now let me tell you________to the Bird Island.
—Alice,would you mind not playing the guitar?I________on the phone. —Oh,sorry,Mom.
—Be quiet!The baby________in the next room. —Oh,sorry.
—I can’t find my seat.Could you show me,sir? —________.May I see your ticket,please?