Making mistakes doesn't matter a lot; what really makes a difference is whether you can correct them____they get worse.
| A．as | B．after | C．when | D．before |
Mr. Blake drove slowly on the way home until he arrived ______ the speed limit was 60 miles per hour.
| A．because | B．which | C．where | D．that |
The pilot asked all the passengers on board to remain _________ as the plane was making a landing. 
| A．seat | B．seating | C．seated | D．to be seating |
I try to make him understand that I am not interested in him, but he never gets the ______.
| A．message | B．news | C．information | D．word |
Broadly speaking, I would agree with Shirley, though not ____________.
| A．widely | B．entirely | C．extremely | D．eventually |
I would appreciate ________ if you could teach me how to use the computer.
| A．that | B．this | C．it | D．you |