—Must I finish the work today, Mom?—No, you . You can finish it tomorrow .A. mustn’t B. can’t C. needn’t
The old man wears a set of false teeth when he eats.
—_____she your mother? —No, she _______. She’s my aunt.
下列表示重量单位的是______.
I have a tape player, _______ he doesn’t have one.
Please call me _______ 223-7118.