[ Grammar ]
Which word is a preposition in the sentence: ‘The book is on the shelf.’
A. book
B. is
C. the
D. on

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Vocabulary and Grammar › ViewEveryone knows about pollution problems, but not many people have ___ any solution.
A. come up with
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Grammar › View
Fill the sentence with the correct item.
I ___________ a pupil, and you?
A. am
B. is
C. are