—Which is________,the sun,the moon or the earth?—Of course the sun.A.smallerB.the smallestC.the biggest
—Is this your bicycle, David? —No, it's not . It's Helen's.
— Your English is very good. —____________.
— ________, where is my pencil? — ________, I don’t know.
— ____________ ? — J-E-N-N-Y, Jenny.
—Thank you, Thomas. —________.