About _______of the engineers in my company seem to be in their _________．
| A．second-nines; fourties | B．two-ninths; forties |
| C．second-ninths; fortieth | D．two-nineths; fourtieth |
—What do you think of my shirt？It________cotton．
—It looks nice on you．
| A．is made in |
| B．is made up of |
| C．is made of |
| D．is made into |
—Could we see each other at 9 o’clock tomorrow morning？
—Sorry，let’s make it________time．
| A．others |
| B．the other |
| C．another |
| D．other |
When you don’t know a word，you can________in the dictionary．
| A．look it up |
| B．set it up |
| C．give it up |
| D．pick it up |
—We have done a lot to make our city cleaner，but it’s still not enough．
—So we should do________to improve it．
| A．less |
| B．higher |
| C．later |
| D．more |
________Gian________Tara are studying Chinese history and culture now．They find them rich and amazing．
| A．Both；and |
| B．Not only；but also |
| C．Either；or |
| D．Neither；nor |