[ Preposition ]
Glass-roofed structures ………. which plants are grown are called greenhouses, and usually, the walls are also made ………. glass.
A. at/with
B. about/from
C. in/of
D. from/into

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Comparative and Superlative Adverbs › ViewOf all the students in the class, Max studied the _________________.
A. more hard
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Sentence Completion › View
If the waiter cannot handle your request, the captain _______ assist you.
A. will
B. has
C. did
D. is