– We only have 15 minutes to get to work .What shall we do? -- Oh , dear ,There isn’t any taxi around when you want _____
Do you often help your father ___ the farm work during the summer vacation?
They sometimes go on working ____ the light of the moon.
He has never been to France, ___ Harry.
They don't study in No 1 High School, ___ those boys.
Bill was staying on a farm with his uncle last summer.So ____ Mary.