just then,right now,soon,suddenly之间有什么区别?那帮忙看下这题‘I promised to finish it in an hour and started the work on the computer.But ( )I found it was hard to keep the promise.

问题描述:

just then,right now,soon,suddenly之间有什么区别?
那帮忙看下这题‘
I promised to finish it in an hour and started the work on the computer.But ( )I found it was hard to keep the promise.

just then就在呢个时候
right now马上 立刻
soon不久,
suddenly突然地

用just then
just then 就在那时
right now马上,立刻
soon很快,不久
suddenly突然

just then 正在那时,刚才,就在那时
right now ad. 立刻(马上,就在此刻)
soon ad. 不久,很快
suddenly ad. 突然地

就在那时
立刻,马上
不久
突然

just then就在这个时候
right now立即 此刻
soon不久,马上
suddenly突然
意思不同