问题
选择题
Jerry did research in that field for a long time.He ________ invent something useful.[ ]
A．got down to
B．hoped himself to
C．set out to
D．devoted himself to
答案
答案：C
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Jerry did research in that field for a long time.He ________ invent something useful.[ ]
A．got down to
B．hoped himself to
C．set out to
D．devoted himself to
答案：C
C. 然后知是山之特立，不与培娄为类。