What is the main constituent of coal gas? A.Oxygen B.Water C.Nitrogen D.Methane Answer and Feedback Answer:D do you want? view more test Xem thêm Share this post Some other questions you may be interested in. The Defense Minister …………… a meeting with the Prime Minister yesterday. During the two hour meeting, they ……………. the economic situation. We …………….. that you have homes to let. Who …………….. the telephone? She didn’t want me ………………… They don’t allow people …………………. in the kitchen. They don’t allow …………………. in the kitchen. I didn’t ask ....................... the bill. Why won’t you let me .....................? I heard him ...................... the door and go out.
