There was a __________look on her face because a________ problem _________the little girl.
| A．puzzled; puzzled; puzzled | B．puzzling; puzzling; puzzled |
| C．puzzled; puzzling; puzzled | D．puzzling; puzzled; puzzling |
They are having _____ debate about whether the two countries were at _____ war at the time.
| A．the; the | B．a; the | C．the; 不填 | D．a; 不填 |
I refuse to lie about it, because it’s against my _____.
| A．rules | B．orders | C．principles | D．laws |
The buses, _____ were already full, were surrounded by anxious people.
| A．all of them | B．all of which | C．they all | D．all which |
The murderer, who was _____ to death by the judge last week, was only 20 years old.
| A．made | B．caused |
| C．killed | D．sentenced |
The black hero fought all his life to make black and white people _____.
| A．fair | B．same | C．equal | D．legal |