[ Commas and Subordinating Conjunctions ]
Which sentence correctly uses a comma?
A. Since you mentioned it earlier, I’ve been thinking about your proposal.
B. Since you mentioned it earlier I’ve been thinking about your proposal.

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Conjunctions › ViewBenjamin fell asleep in a few minutes ___ the book he started reading was quite boring.
A. and
B. but
C. or
D. for
E. so
Verb Tenses › View
She ___ her grandparents last summer.
A. visit
B. visited
C. visiting
D. visits
Preposition › ViewI was sitting ______ the back of the car when we crashed.
A. in
B. on
C. at
Prepositions › View
borrow … smb
A. with
B. from
C. of
D. by
