The country has been ______ war with its neighbor for almost ten years.
| A．in | B．on | C．at | D．during |
____ Chinese are learning English for a better future.
| A．Million |
| B．Millions |
| C．Millions of |
| D．Million of |
The box was too heavy for me to carry, ___ I pulled it into my room.
| A．so |
| B．and |
| C．but |
| D．or |
Sam enjoys ___ stamps.
| A．to collect |
| B．collected |
| C．collects |
| D．collecting |
___ many children like sugar, I think they had better try not to eat it too often.
| A．Because |
| B．When |
| C．Although |
| D．If |
—What are you doing?
—I’m ___ my cat. I can’t find it.
| A．looking for |
| B．looking at |
| C．looking up |
| D．looking after |