[ Vocabulary ]
What is a transmitter?
A. A device that makes, sends, and receives electromagnetic waves
B. A cutting and chopping tool
C. Dry material to light a fire
D. Branches of a tree

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Grammar › ViewLayla ………………………….. windows when I ……………..her.
A. were cleaning / saw
B. was cleaning / saw
C. was cleaning / was seeing
D. were cleaning / seen
Grammar › View
The teacher tries ……….. the grammar point.
A. Explain
B. To explain
C. Explains
D. To explaining
