I________lettersthismorningand____

发布时间：2020-07-09 16:42:57

I ________ letters this morning and ________ for four hours so far．













A.will write; wrote












B.have written; have written











C.was writing; wrote











D.have been writing; have written

网友回答

D解析该题考查现在完成进行时和现在完成时。题意为我今天早上一直在写信，到目前为止已经写了4个小时。
以上问题属网友观点，不代表本站立场，仅供参考！