— Shall we go there on Saturday or Sunday?
— _________ day is ok. It makes no difference to me.
— Keep your hair away from fire, Millie.
— I see, Mum. Hair _________ fire easily.
—I don’ t know to_________ I should turn for help.
—You can go and ask the teachers for help.
Apple is to fruit as onion is to _________.
Can you imagine what difficulty I had _________ (解决)the math problem?
The famous actor keeps writing novels though he is in his _________ (九十几岁).