Itis__________thatallstudentswillneedtocompleteaUniversityRegistrationform．
A: sure
B: certain
C: correct
D: necessary
A: sure
B: certain
C: correct
D: necessary
举一反三
- 4. essential A: sure to happen; certain B: the greater number or part of something C: absolutely necessary D: unhappy or depressed
- Itis(certain)______truethattherewillbemorecoursestobeofferednextsemester.
- Itis _________forustogoswimminginsuchbadweather. A: important B: impossible C: necessary D: comfortable
- Itis necessary to a large vocabulary in learning a language.
- You have to__what time the train leaves before you book the ticket. A: sure B: make certain C: be sure D: be certain