I couldn’t get through the door because there was a big box ______.
| A．by the way | B．on the way |
| C．in some ways | D．in the way |
—________ are you training hard for? — To be a volunteer.
| A．Why | B．What | C．Who | D．Where |
New York is known ________ the world ________ a busy trade centre.
| A．for； as | B．for； by | C．by； as | D．by； for |
—Is your father a teacher? —Well, he_______.
| A．used to | B．was used to be |
| C．used to be | D．used to being |
If nobody breaks traffic rules and everyone is careful enough, most accidents can be________.
| A．allowed | B．achieved | C．afforded | D．avoided |