[ Grammar ]
We __________ keep our place clean.
A. must
B. make
C. let
D. mustn´t
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Grammar › ViewWhy are you still doing your homework, Sara？ You _____________ (do) your homework since 8 o’clock in the morning.
A. have done
B. have been doing
Conjunctions › View
___________ nouns are something that you cannot see, hear, touch, smell, or taste.
A. Concrete
B. Collective
C. Foreign
D. Abstract
Subject Verb Agreement › ViewNeither the students nor the teacher _______ (be) in the classroom.
A. is
B. are
C. were
D. was
Vocabulary › View
A book of synonyms, often including related and contrasting words and antonyms.
A. thesaurus
B. subject
C. propaganda
D. dictionary