If he had not joined the army, he ________ alive now.
| A．would be | B．will be |
| C．would have been | D．is |
_____ to his research work, the professor cared little about any other things.
| A．Devoting |
| B．Devoted |
| C．Having devoted |
| D．To devote |
His parents always advised him____ too much time on the computer, but he still sticks to doing it.
| A．don’t spend |
| B．not to spend |
| C．not spending |
| D．to not spend |
The soldiers were fighting bravely their people _____ the invaders.
| A．with; for |
| B．for; against |
| C．back; with |
| D．out; with |
Two dogs_____ a bone, and a third one ran away with it.
| A．fought with |
| B．fought against |
| C．fought for |
| D．fought to |
Though he failed in the exam this time, he did not.
| A．lose his heart |
| B．lose his hearts |
| C．lose heart |
| D．lose hearts |