Dr.Li was so ________ looking at the Internet that he forgot

Dr.Li was so ________ looking at the Internet that he forgot the time.
A.carefully
B.careful
C.busily
D.busy
孤雪智薰 1年前 已收到1个回答 举报

纸爱飞杨 幼苗

共回答了20个问题采纳率:90% 举报

答案D
此题考查词汇的用法.be busy doing sth.意为“忙于做某事”.

1年前

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