With the help of high technology, more and more new substances ______ in the past years.
| A．discovered | B．have discovered |
| C．had been discovered | D．have been discovered |
Use your head; nothing taught by others can have the same effect on you as _________learned by yourself.
| A．those | B．what | C．that | D．the one |
The church ,___________the 14th century , is still well preserved.
| A．dates back to | B．dating back to |
| C．that dates back to | D．which dated back to |
You’re getting too old for football. You’d better _________tennis instead.
| A．take in | B．take for | C．take up | D．take over |
Which sport has the most expense _________ training equipment, player’s personal equipment and uniforms?
| A．in the long term | B．in terms of |
| C．in face of | D．on condition that |
_________ the deaf children, the young lady has little time to care for her own daughter.
| A．Devoted to teach | B．Devoted herself to teach |
| C．Devoting herself to teaching | D．Devoting to teach |