[ Grammar ]
If everyone did their part, the Earth ______________ a cleaner place.
A. was
B. must be
C. will be
D. would be
E. were

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Present Tenses › ViewWe have to rest. We ………………………………… (walk) for over four hours.
A. have walked
B. are walking
C. have been walking
D. walk
Vocabulary & Grammar › View
We ______ a new exercise routine next week.
A. starts
B. started
C. starting
D. will start
Grammar Pronoun and Singular Plural Noun › ViewWhich of these words is not a pronoun?
A. yellow
B. us
C. they
D. we
Modal Verbs › View
If it were up to me, I ___ change the rules.
A. could
B. would
C. Should
