Most students like dinosaurs, but ______ of them know the story of dinosaurs.
| A．many | B．each | C．few | D．any |
The park is far from here. It’s about ______.
| A．thirty minutes’ walk | B．thirty minute’s walk |
| C．thirty-minute’s walk | D．thirty-minutes’ walk |
－Mike, I can’t stop playing computer games.
－For your eyes, I am afraid you ______.
| A．have to | B．may | C．would | D．could |
It’s snowing heavily, so there is a lot of snow all ______ the ground.
| A．above | B．over | C．on | D．in |
－______milk do you need to buy?
－Two cartons.
| A．How many | B．How long | C．How much | D．How often |