[ Modal Verbs ]
If there is fuel shortage, solar energy ____.
A. has to develop
B. will have to be developed
C. will have to develop
D. had to be developed
Random Topics:
To Infinitive or Bare InfinitiveParticiple - ing/ ed-ing &-ed AdjectivesComparatives - SuperlativesSecond Type ConditionalSubordinating and Coordinating ConjunctionsPhrase and ClauseFinite and Non-Finite VerbSimple Past TensePrepositions and TensesOther quiz:
Vocabulary › ViewThe coach called a time-out to _____ strategy.
A. discuss
B. analogy
C. composition
D. descend
Modal Perfect › View
Was it really necessary? You ________________ tell the police, you know.
A. can’t
B. mustn’t
C. can’t have
D. didn’t need to