Although it had been _____ struggle for
问题:
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
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