[ 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:
Verb Tenses › ViewWhat were you doing when the accident happened?
A. I repaired the car
B. I was repairing the car
C. I repair the car
D. I am repairing the car
Grammar › View
Lisa didn’t take a trip to Penghu, but her classmates ________.
A. did
B. take
C. took
D. didn’t take
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