The ______ source of power in 1970 was from natural gas with almost 25%.
We all agree that she is____________________ student in our class.
The packages___________________ so that it would be easier to carry them.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
The examination was not very difficult, but it was_____________________ long.
There has been a great increase in retail sales,_____________________ ?
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
__________ John Kennedy was elected president, he was the youngest American President ever.
She asked me______I was looking at.
_______ has been a topic of continual geological research.
Education in many countries is compulsory________the age of 16.