[ Grammar ]
Which sentence correctly uses the articles a and an?
A. An letter is addressed to a author.
B. A author is writing an book about elephants.
C. We can look for a book about elephants.
D. Here are an book and a article that you and I would like.

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Grammar › ViewWhich word should replace the underlined word in the sentence?
You has no idea!
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A. haves
B. have
Grammar › View
The scissors ____ sharp enough to cut the bark of the tree.
A. is
B. are
C. was
D. were