[ Grammar ]
The first electric lamp had two carbon rods from which vapor serves to conduct the current across the gap.
A. The first
B. which
C. serves
D. to conduct
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Grammar › ViewMy mother told me to __________ on warm clothes before I went out.
A. get
B. taking
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a, an, the, Zero Article › View
Which article correctly completes each sentence?
Did Ranita ____frog really sleep in Félipé’s bed?
A. A
B. An
C. The