22. —Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
had stayed B. has stayed C. stayed D. stays
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 |
—How do you find our campus?
—Impressive! I like the small lake best, around which _____ lines of tall trees.
| A．are standing | B．does stand |
| C．stand | D．is standing |
—Why is Thomas so lonely every day?
—Because he has no communication with others.
| A．politically | B．properly |
| C．punctually | D．practically |