Peter said he when he got there but we have never heard from him since then.A. was writin

问题补充：

Peter said he when he got there but we have never heard from him since then.

A. was writing

B. would write

C. had written

D. has been writing

答案：

A. was writing

(答案→)B. would write

C. had written

D. has been writing

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