The railway Qinghai to Tibet is the longest plateau (高原) railway in the world.
| A．connected | B．connects |
| C．connecting | D．is connected |
I find ____ useful _____ English well.
| A．that; to learn | B．That ; learn |
| C．it; to learn | D．it;learn |
．We may meet all kinds of difficulties in the future, but we should be confident enough to --- any challenge.
| A．put on | B．get on |
| C．take on | D．try on |
— It’s dangerous to walk across the street carelessly.
— You’re right. We can’t be careful while crossing the street.
| A．so | B．very | C．too | D．more |
----It seems that it will rain. Take my umbrella.
---- _______. I have a raincoat in my bag.
| A．I’d love to | B．Sorry |
| C．Thanks anyway | D．No problem |