He asked me ________ with me.
A. what is the trouble
B. what wrong was
C. what was the matter
D. what trouble it is
I am sure ________ he said is true.
A. that
B. about that
C. of that
D. that what
Television sound signal is generated by a ______________.
A. TV camera
B. microphone
C. TV receiver
D. FM detector
Television is a kind of __________.
A. transmitter
B. receiver
C. transceiver
D. impulse
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