=Although he was beaten by the enemy, he refused to let out the secret.

6． 练习：

（1）___ in thought,he almost ran the car in front of him.

　A. Losing B. Having lost C. Lost D. To lose

（2）________ a reply, he decided to write again.

A. Not receiving B. Receiving not C. Not having received D.Having not received

（3）Before _____, the machine must be checked.

A. being used B. using it C. being used to D. using

（4）____ better attention , the vegetables could have grown better with the sun shining brightly in the sky and ____ them light.

　A. Giving; given B. Given; given C. Giving; giving D. Given; giving