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

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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:
Past Participle › ViewI found your grammar book under the table. I’ve __________ (put) it away on the bookshelf.
A. pought
B. put
C. putten
D. putted
Present Perfect Tense › View
We ___ _____ to them abput it often.
A. has spoken
B. have speak
C. ‘ve spoken
D. have speaks
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