——Jack _______ takes part in social activities．
——Yes, he isn’t like his brother, who is always active．
| A．seldom | B．just | C．still | D．usually |
Millie was watching TVAndy came into the room last night.
| A．while | B．when | C．as | D．if |
— Too much work and too little rest oftenillness.
— Yes. We must learn to take good care of ourselves.
| A．begin to | B．are friendly to |
| C．take action to | D．lead to |
It is difficult _____ baby pandas _____ live alone in the wild.
| A．for, for | B．to, to |
| C．for, to | D．to, for |
It is winter now. The weather in Nanjing is becoming.
| A．hotter and hotter | B．colder and colder |
| C．longer and longer | D．shorter and shorter |
We call her Xi Wang. What is the sentence structure?
| A．S+V | B．S+V+O |
| C．S+V+DO+OC | D．S+V+IO+DO |