21. The village is far away from here indeed. It’s ______ walk.
| A．a four hour | B．a four hour’s | C．a four-hours | D．a four hours’ |
I can ________ swim _______ skate. Will you please teach me?
| A．either…or | B．not only… but also | C．both… and | D．neither… nor |
When I got the news that the ship would sink, I was _________ frightened ________ my legs couldn't move forward.
| A．so, that | B．very, that | C．too, that | D．too, to |
She bought a digital camera online __________ she saved a lot of time.
A, so that B. as soon as C. no matter D. such that
Beijing has ________ many buses that there is often a traffic jam in rush hours,
| A．so | B．very | C．too | D．much |
Hurry up, ________ you will miss the train. It's leaving in ten minutes.
| A．and | B．so | C．however | D．or |