[ 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

Random Topics:
Indefinite and Definite ArticlesPresent Perfect and Past SimpleUse of Prepositions or ConjunctionsTenses: Present simple, Past Simple, Future SimpleAdverb of MannerFinite and Non-Finite VerbThe First Conditional SentenceFuture Perfect vs Future ContinuousSimple, Compound, Complex SentencesComparison Degree & GerundsOther quiz:
Grammar › ViewHe _ (play) basketball every weekend.
A. play
B. playing
C. played
D. plays
Degrees of Comparison › View
That was the ______ day of my life.
A. Worse
B. Worst
The first step
A. initiative
B. curious
C. proactive
D. annotate
Mixed General Quiz › View
Amsterdam is served by world famous Schiphol Airport ___ is four meters below sea level.
a. which
b. that
c. whose
d. (Nothing is needed.)
