The problem was so complicated that Mr. Smith had to______his brains.A、crackB、c

游客2025-03-20 10

问题 The problem was so complicated that Mr. Smith had to______his brains.

选项 A、crack
B、check
C、rack
D、block

答案 C

解析本题考固定搭配。rack one’s brains"绞尽脑汁"，所以C为正确答案；crack"破裂，砸开，发出爆炸声"；check"检查，核对"；block"阻塞，封锁"。

转载请注明原文地址:https://tihaiku.com/zcyy/4004823.html

相关试题推荐

随机试题

最新回复(0)

TheproblemwassocomplicatedthatMr.Smithhadto______hisbrains.A、crackB、c