_______ his return from America, he got down to his research.
| A．While | B．In | C．As | D．On |
Last night he saw two dark ___enter the building, and then there was the explosion.
| A．features | B．characters | C．images | D．figures |
Shanghai is ___most beautiful city and I believe I will come for___ second visit .
| A．the; the | B．a; a | C．/; the | D．a; / |
---__________in New York does he live? --- Maybe the west.
| A．How | B．Whereabouts | C．When | D．Why |
--Would you like me to turn down the radio a bit?
--______.I’m used to working with the radio on .
| A．No, I don’t like it | B．Yes ,it doesn’t matter |
| C．No, it’s all right | D．Yes, please |
Once a neighbour _______me _____ playing my radio too loudly.
| A．robbed---of | B．accused---of | C．cured---of | D．asked---of |