C
题目中的you 应该改为me才对,意思有点怪
我的朋友汤姆答应来看我,但却没有.我就一个人.
解析：1、第一句中能体现时态的第一个单词promised为一般过去式,表明汤姆曾经答应,promise这个动作发生在过去.
2、第二句中的I have been alone.是现在完成时,表明我从过去某个时间点到此刻为止一直是独自一人.
我现在一个人的原因是他没来,证明他在之前一直没来,应该使用过去式.
到这里可以排除A/D
所以前句的But he( )
B表明他将不来（动作尚未发生）,C意思是他过去没来(动作已经发生）,结合最后一句我现在就一人.从而选C
有点啰嗦,楼主看明白不?不清楚可继续提问.
-My friend ,Tom ,promised to come to see you.-But he( ) .I have been alone.
-My friend ,Tom ,promised to come to see you.-But he( ) .I have been alone.
A .doesn`t B won`t C didn`t D hasn`t
A .doesn`t B won`t C didn`t D hasn`t
英语人气：949 ℃时间：2019-08-20 07:46:55
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