He promised to study with us here.
But he ( ). We've been here for half an hour.
A.hasn't
B.won't
C.doesn't
答案选了B,我没理解这个句子怎么翻译,如果选A、C是怎么翻译,什么意思呢?
谢谢专家老师。
他答应我们和我们一块学习。
但是我们已经等了他半个小时了,他不会来了,表达将来。用won't
其实这个题如果有didn't的话didn't就是最佳答案,没有didn't只能选won't才解释的通。