—Do you have any pocket money ________?—Sorry, I spent all my pocket money on my books yesterday.
He goes to school by bus, but he walks after school.
How can we fight _____ pollution?
“Dad,_____ you help me with my Maths homework?”said Judy.
My mum worked a whole day and was very tired.She lay in bed and soon _____asleep.
People in China enjoy _____ during the winter holiday.