谈判想必进行得不顺利。
The negotiations must not have been going well.
▼点击显示答案
must英 /mʌst/|美 /mʌst/
not英 /nɒt/|美 /nɑt/
been英 /biːn/|美 /bɪn/
解释
must not have been + v-ing 对过去进行中的过程做否定推断。
The negotiations must not have been going well.
must not have been + v-ing 对过去进行中的过程做否定推断。