I will visit my grandmother this afternoon, so I can’t go swimming with you. —

cannot smile like a child, __________ a child smiles with hiseyes, while a man smiles with his lips alone.

Mary is a ________girl.

She went to American two years ago .She ____there for half a year and then went to Japan

.Everyone in the building can hear Tom’s words:“Mother, the window _____.please come to help me.”