Topics: Modals
Choose the best modal to complete this sentence:
Tarsiers are endangered species. Environmentalists tell us that we ____ protect them.
A. must
B. have to
C. need to
D. should
Select your answer:

Random Topics:
Vocabullary TestMust and Might ModalsVerb Moods and Vague PronounsMoods of GrammarGrammar: MorphologyActive Voice-Present tenseComparison & Modal Verbs in Passive VoiceUsed to & would & Past SimpleTenseSentence Structure and PunctuationOther quiz:
Indefinite Pronouns › ViewI like my neighbors. ___________________ here is very friendly.
A. Anybody
B. Everybody
C. No one
D. Somebody
Phrasal Verb › View
What does “hang up” mean?
A. delay
B. end a call
C. discover
