He began to __________ because every means _______ tried already.
A.loseheart;hasbeenB.loseheart;hadbeenC.losehisheart;wasD.losehisheart;had...
A. lose heart; has been
B. lose heart; had been
C. lose his heart; was
D. lose his heart; had 展开
B. lose heart; had been
C. lose his heart; was
D. lose his heart; had 展开
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