[ Modal Verbs ]
We _________________ protect the environment.
A. Mustn’t
B. Must

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Articles › ViewWe are looking for……place to spend ………night.
A. the/ the
B. a/the
C. a/a
D. the/a
Prepositions › View
His essay is full ___ spelling errors.
A. with
B. of
C. in
D. on
Grammar › ViewHe______smart.
A. ‘m not
B. isn’t
C. aren’t
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We had a good vacation. We enjoyed _____ .
A. us
B. our
C. ours
D. ourself
E. ourselves
