题目内容
Fill in the blanks with proper propositions or adverbs.
(用适当的介词或副词填空。)
I have heard ________ Professor Smith, but I don’t know ________ him.
答案:
解析:
解析:
|
of/about;about |
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题目内容
Fill in the blanks with proper propositions or adverbs.
(用适当的介词或副词填空。)
I have heard ________ Professor Smith, but I don’t know ________ him.
|
of/about;about |