It is said that the old coins ______ under the earth for about 100years by the time they were discovered

The International Day against Drugs, aimed at warning people to keep away from drugs, ______ on June 26th every year[ ]

What do you think of the boy— He is _____ honest boy and works hard.

n use a large plastics bottle, _________ cut off, as a plot to growflowers in

__ the teacher’s instruction, or hecould not have won the first prize in the English Speech Contest