The man is optimistic ________ his life and doesn’t ________ at all.

A. about；lose heart 　　　　　　　　　　　　　 B. about；lose his heart

C. on；lose heart 　　　　　　　　　　　　　　　 D. of；lose hearts

—I have failed. I really don’t know why I did so badly.

— ________ Just try to do it better next time.

A. Don’t lose heart!　　　　　　　　　　　　　　　　   B. Look out!

C. You’re hopeless.　　　　　　　　　　　　　　 D. Can’t you be more careful?

_____ and you will be in hell; Keep up and you will be in paradise.

　 A. Lose heart　 B. Lose your heart　 C. Losing heart D. Losing your heart

— ________ Just try to do it better next time.

A. Don’t lose heart!　　　　　　　　　　　　　　　　   B. Look out!

C. You’re hopeless.　　　　　　　　　　　　　　 D. Can’t you be more careful?

The boy who was refused by the girl to whom he _________ didn’t ________.

A. lose heart; lose heart　　　　　　　　　　　 B. lose heart, lose his heart　

C.lost his heart; lose heart　　　　　　　　　 D. lost his heart ; lose his heart