[ 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
Select your answer:
Random Topics:
ModalsComparative AdjectivesInversion + Passive VoicePronouns of QuantityAdverbs of Frequency & Simple Present TenseComparatives, Superlatives & EquativesGrammar ClausesZero and First ConditionalsIrregular Plural NounsOther quiz:
Grammar › ViewWhy do you spend __________ time in the bathroom?
A. so many
B. so much
Tenses › View
Present Perfect Continuous: They ________ for two hours without a break.
A. will be swimming
B. have been swimming
C. had been swimming
D. will have been swimming