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 |
He _____ the conversation and answered the phone, leaving us alone.
| A．broke off | B．broke up |
| C．broke in | D．broke down |
We were glad to know that all the workers who _____ in the mine were saved.
| A．trapped | B．were trapping |
| C．had trapped | D．had been trapped |
Linda went to a party with a girl, _____ favorite hobby is collecting stamps.
| A．who | B．whom | C．whose | D．which |
I thought her nice and honest ____ I met her. But as time went on, I knew that she was very selfish.
| A．at first | B．at the moment |
| C．the first time | D．for the first time |
He commanded the students _____ the classroom before he returned.
| A．not leave | B．didn’t leave |
| C．wouldn’t leave | D．needn’t leave |