I hear Mr. Smith was writing a story last year and he still .A. doB. doesC. isD. am

问题补充：

I hear Mr. Smith was writing a story last year and he still .

A. do

B. does

C. is

D. am

答案：

@@A. do@@B. does@@(答案)C. is@@D. am

解析：从题意分析,本题的空格处应用现在进行时。而本题的现在进行时的助动词应用is。

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