题目内容
( ) 1. Mike and Clare have to learn the language of the country.
A. begun B. begin
C. began D. to begin
1. A begin的过去分词为begun。
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题目内容
( ) 1. Mike and Clare have to learn the language of the country.
A. begun B. begin
C. began D. to begin
1. A begin的过去分词为begun。