According to the data, China supplies more than 90 percent of the world’s rare earth metals, but its reserves only about one third of the world’s total.
| A．take up | B．build up |
| C．make up | D．polish up |
110. You are my acquaintance? It’s _____ that I never met you _______.
| A．strangely …before | B．strange…ago |
| C．stranger…ago | D．strange…before |
101. This is____ ! You can’t be too careful enough of tomorrow’s meeting.
| A．serious | B．separate | C．necessary | D．Senior |
11. How time flies! You should make _____ use of your time.
| A．best | B．the worst | C．good | D．the best |
28. The stream in front of our village will dry_____ when early autumn comes around.
| A．out | B．away | C．off | D．Up |
27. _____ the teacher came in, everyone was quiet.
| A．Direct | B．Directly | C．Directly when | D．Direct when |