He 20 dollars for his old bike the other day.
| A．paid | B．took | C．spent | D．offered |
When the students heard the news, all of them were in _____.
| A．higher spirit | B．high spirits | C．a high spirit | D．a higher spirits |
_____ will conquer nature.
| A．The man | B．Man | C．A man | D．The men |
I earn 10 dollars _____ hour as _____ supermarket cashier on Sundays.
| A．a, an | B．the, a | C．an, a | D．an, the |
As a result of destroying the forests, a large _____ of desert _____ covered the land.
| A．number, has | B．quantity, has | C．number, have | D．quantity, have |
David helps his mother with her housework every Saturday for about _____.
| A．one and half hours | B．a half and an hour |
| C．an hour and half | D．one and a half hours |