The next thing he saw was smoke from behind the house.
| A．rose | B．rising | C．to rise | D．risen |
Mark Twin wrote many popular novels in his life, ________ The Adventures of Tom Sawyer is a best example.
| A．of which | B．what | C．whose | D．which |
I watched everyone hurrying to and fro, most with eyes ____ the ground.
| A．fixed on | B．fixing on | C．to fix on | D．fix on |
–I _______ as the manager in this company.
–May I know since when?
| A．worked | B．had worked | C．have worked | D．am working |
Some foreign media predict that all these reforms will make China a strong and powerful country, ______ that can surprise the whole world.
| A．it | B．one | C．the one | D．which |
The building ______ roof we can see from here is a hotel.
| A．which | B．that | C．what | D．whose |