It’s known to us all that the deeper you dive, ________ you can breathe.
| A．the difficult | B．more difficult |
| C．most difficult | D．the more difficult |
In the novel, the two cities referred to __________ London and Paris.
| A．be | B．being | C．are | D．was |
All the task __________ ahead of time, so they decided to go on holiday for a week.
| A．having finished | B．had finished | C．having been finished | D．had been finished |
—I didn’t know this was a one-way street, officer.
—________.
| A．That’s all right. | B．I don’t believe you. |
| C．How can you say that? | D．Sorry, but that’s no excuse. |
It seems that living green is __________ easy and affordable. A small step makes a big difference.
| A．exactly | B．fortunately | C．surprisingly | D．hardly |
It was in the small house _____was built with stones by his father ____he spent his childhood.
| A．which; that | B．that; where | C．which; which | D．that; which |