Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
A.the; an; / | B.a; the ; / | C.a; an; a | D./; the; a |
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Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
A.the; an; / | B.a; the ; / | C.a; an; a | D./; the; a |