.Although it had been______ struggle for
问题:
.Although it had been______ struggle for him to finish the experiment, he enjoyed the result with________ satisfaction.
A.the, /
B.a, /
C.a, a
D./, a
.Although it had been______ struggle for him to finish the experiment, he enjoyed the result with________ satisfaction.
A.the, /
B.a, /
C.a, a
D./, a