Topics: Modals
Complete the missing word. In the plains and grasslands of North America, we _____ not interfere with the habitat of the bison or they, too, will become extinct.
A. must
B. could
C. may
D. might
Select your answer:

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V-ing/to-VTenses and Time MarkersArticles with Proper NounsSimple Present and Simple PastComparatives ( adj/ adv)Conjunctions and Sequence ConnectorsShould and Shouldn'tParticipal PhrasesVocabulary, Grammar, SpellingRecount Texts and TensesOther quiz:
Mixed General Quiz › ViewAvenida Paulista, about 2,8 km long, is an elegant avenue where the coffee barons ___ in magnificent mansions.
a. used to living
b. used to live
c. used living
d. are used to live
Tenses › View
The drizzle ____ continuously this morning from 6 AM to 9 AM.
A. fell
B. falls
C. is falling
D. will fall
