The question was______the electrical equipment should be installed.A．thatB．whereC．whatD．wh

The students was just about to _____ the question

The students was just about to _____ the questions

The boy was ______ to speak louder in the class when answering the teachers questions.A．a

His lecture was _________ interrupted by the students ’ questions.A. promptlyB. amusing

Jim was just about to______the question when he suddenly got the answer.A．submit toB．work

It was well known that Thomas Edison _____ the electric lamp.A.discoveredB.inventedC.fo