[ Conjunctions ]
___ the teacher explained the lesson several times, the pupils still did not understand it.
A. Although
B. As
C. If

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Gerund vs Infinitive › ViewI regret _____ you but the police can’t find your luggage.
A. to tell
B. telling
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Roy bought a house in a nice, ………. area.
A. clear
B. lazy
C. quiet