[ Modal Verbs ]
. We _____ preserve our natural resources.
A. Ought to
B. Dare
C. Need not

Random Topics:
Asking for and Giving OpinionComparison & Modal Verbs in Passive VoicePast and Future TensesFOR & SINCEConditional Type 1Adjectives, Adverbs, and PrepositionsTenses and ArticlesComparison and ModalsPast Simple Negative & QuestionsOpinion / AgreementOther quiz:
Tenses › ViewComplete the sentence: How long __________ (you/wait) here?
A. had you been waiting
B. have you been waiting
Conjunction › View
My sister waited for the bus for an hour ___________ it didn’t come.
A. and
B. because
C. but
Modals › ViewWell done! You ____________________ very pleased.
A. must be
B. may be
C. might be
D. can be
Verb Tenses › View
I ___ eating Durians, but I ___ eating Bananas.
A. don’t like / likes
B. doesn’t like / likes
C. don’t like / like
D. doesn’t like / like