[ 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:
Modal Speculation › ViewThe cat _______ eaten all the food in its bowl.
A. were
B. have
C. did
D. has
Grammar & Vocabulary › View
We are using a new ____ in English class this year.
A. ruler
B. calculator
C. textbook
D. pencil
Vocabulary › ViewThe 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.)