The idea for the new plan came to his mind, to his experiment in the lab.
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
— I heard they went skating in the mountains last winter.
— It _____ true because there was little snow there.
| A．may not be | B．won’t be | C．couldn’t | D．mustn’t be |
It is hard for me to imagine what I would be doing today if I _______ in love at the age of seven, with the Melinda Cox Library in my hometown.
| A．wouldn’t have fallen | B．had not fallen | C．should fall | D．were to fall |
It has been announced that candidates ______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．may | D．shall |
— I hear you’re got a set of valuable Australian coins. ______ I have a look ?
— Yes, certainly.
| A．Do | B．May | C．Will | D．Should |
—Without your help, we _____ this task on time.
—My pleasure.
| A．don’t finish | B．will not finish | C．didn’t finish | D．would not have finished |