Surely, there are (lots of problems) (solving in) our research so we (need to) (

游客2025-03-15 16

问题 Surely, there are (lots of problems) (solving in) our research so we (need to) (get well prepared) in advance.

选项 A、lots of problems
B、solving in
C、need to
D、get well prepared

答案 B

解析

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