They were ________ busy ________ with each other ________ the time. — How cool the guys are !

Must I finish the work now—No, you __________. You __________ do it this evening.

It is necessary for us to________these interesting old customs.[ ]

It is said that the old pot ____under the earth for about 1000 years by the time it was discovered

In April, thousands of holidaymakers remained _____abroad due to the volcanic ash cloud [ ]