He didn't what I read because his mind was on something else. A. hold on B. catc
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He didn't _____ what I read because his mind was on something else.
A. hold on B. catch on C. take in D. get over
试题答案
C. take in
解析:
take in(=understand)理解。参阅Ⅲ。173注释。hold on(打电话时)不要挂断；catch on明白（作不及物动词用），catch on to懂得，明白（作及物动词用）；get over克服。