问题
单项选择题
I couldn’t （） the lecture at all. It was too difficult for me.
A. take on
B. take in
C. take over
D. take upon
答案
参考答案：B
解析：
take in“理解”；take on“承担；从事”；take over“接管，接办”；take upon (oneself)“以……为己任”。
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