I won't tell you my secret unless you____ not to tell anyoneA promising B promised C are promising D are going to promise答案a 原因

I won't tell you my secret unless you____ not to tell anyoneA promising B promised C are promising D are going to promise答案a 原因
I won't tell you my secret unless you____ not to tell anyone
A promising B promised C are promising D are going to promise
答案a 原因

I won't tell you my secret unless you____ not to tell anyoneA promising B promised C are promising D are going to promise答案a 原因
A unless 后可以不跟独立句子,可以跟定语从句

不可能 是A因为分词不能作谓语，没有正确选项，正确的是 promise
主将从现

答案A是错项。unless后面的话可以当成单独的一句话看，缺一个谓语。要选promise.