Marx looks nervous.—-So __________ you if you had so fierce a competition.

The railway______ Qinghai to Tibet is the longest plateau (高原) railway in the world.

He lost his key. It made him ________ in thecold to wait for his wife’s return.

What do you think of John?—- ____ we didn’t like him at first, but we are quite fond of him now

I didn’t hear you in just now.—That’s good. We tried ________________ you up.