[ Modal Verbs ]
Some shells ______ give you a toxic or painful sting, so you ______ be careful.
A. Must , must not
B. Can , have to
C. Can , mustn’t
D. Should , shouldn’t
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Grammar › View. The movie —–won the Academy Award for Best Picture was based on a true story. People were very effected by the ending of it.
A. who
B. when
C. where
D. that
E. in which
Adverb Clauses › View
__________ the weather is nice, we’ll go for a picnic.
A. Unless
B. After
C. While
D. if
Gerunds › ViewHe left without saying goodbye.
A. As a subject
B. Some particular verbs
C. As direct object
D. After preposition
Grammar › View
CDs weren’t around for very long, and CD burners disappeared almost …
A. as quickly
B. as quickly as