翻译:the past tense of say和the past tense of is和watch out.It could be___

问题描述:

翻译:the past tense of say和the past tense of is和watch out.It could be___

the past tense of say: say 的过去式.答案: said
the past tense of is: is 的过去式.答案was
watch out.It could be___
:小心,危险. 我估计是不是填 dangerous ?