have to be

US 
UK 
  • un.必须;必定;应当;无疑
  • Web毫无疑问是;肯定是;必定是
un.
1.
必须;必定,一定;应当;无疑;要;总要;必要;得;不得不;势必;只好;忍不住;不…也得…,不由得;迫不得已;就得乖乖地
2.
非…不可

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard