David has a big house, which ____ eight rooms.
| A．is made up | B．consists of | C．makes up of | D．makes up |
—Do you know _______he came?
—I am not sure. Maybe for the toy car.
| A．how | B．when | C．why | D．what |
He is always helping people without expecting anything _____.
| A．in common | B．in turn | C．in danger | D．in return |
If a shop has chairs _______ women can park their men, women will spend more time in the shop.
| A．that | B．which | C．when | D．where |
I bought a dress for only 20 dollars in a sale; it was really a good ______.
| A．advantage | B．advertisement | C．market | D．bargain |
We can never expect________bluer sky unless we create________less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |