I was about to leave _____ the telephone rang.
| A．after | B．while | C．when | D．before |
—What do you think of the lecture delivered by the expert?
—It ______ very well; everyone liked it.
| A．came across | B．put aside |
| C．broke off | D．went away |
Can you remember the amazing scene _______ the heroine finally became a butterfly?
| A．which | B．how |
| C．when | D．where |
Land animals are believed ______ from sea animals.
| A．to develop | B．developing |
| C．developed | D．to have developed |
When the iPhone first the market, only die-hard Apple fans bought it. But today, iPhones are everywhere.
| A．hit | B．led |
| C．made | D．covered |
_______ the news that she didn’t pass the job interview, tears came into her eyes.
| A．After hearing | B．On hearing |
| C．Heard | D．When she heard |