Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A.lose his heart | B.lose heart |
C.break his heart | D.make up his mind |
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Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A.lose his heart | B.lose heart |
C.break his heart | D.make up his mind |
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