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
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
A
be optimistic about sth.对……乐观；lose heart灰心，固定用法，中间没有冠词或者所有格形式。