I ______the paper before my lawyer explained the details to me.
| A．signed | B．had signed |
| C．signs | D．has signed |
—How do you find Harry Potter and the Prisoner of Azkaban?
—Fantastic. J.K. Row Ling _________ each character in the novel impressive through lively dialogues and fascinating plots.
| A．makes | B．would make |
| C．will make | D．had made |
Only when ________ from work, ________ the truth.
| A．did he return; did we know | B．he returned; we knew |
| C．did he return; we knew | D．he returned; did we know |
We won’t start the work until all the preparations __________.
| A．are being made | B．will be made |
| C．have been made | D．had been made |
The unemployment rate has continued to rise, ________ 9.8 percent in September.
| A．have reached | B．reaching |
| C．to reach | D．to be reached |
_______ they are seeing great development, they are still poorer than many countries in other parts of the world.
| A．Unless | B．Since | C．While | D．As |