China is one of _______countries in the world.
| A．large | B．larger | C．largest | D．the largest |
We often go to the market ______ the birds．
| A．to offer | B．to look |
| C．to find | D．to watch |
— I really like Chinese food !
— Me , too．My mouth was watering _____ I was watching the TV program A Bite of China．
| A．while | B．when | C．before | D．after |
“ Farmers harvest crops．” The structure of this sentence is____________．
| A．S+V | B．S+V+P | C．S+V+O | D．S+V+IO+DO |
______, pandas may not have a place to live or food to eat．
| A．At last | B．As a result |
| C．In fact | D．At first |
The boss made the workers ________ten hours a day．
| A．worked | B．to work |
| C．working | D．work |