What would happen if drilled a tunnel through the centre of the Earth and jumped into it? (Second Conditional Review)

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Complete the following text using the Second Conditional

What would happen if drilled a tunnel through the centre of the Earth and jumped into it?



It would be impossible to do this on Earth because it is too hot, but you could do it on the moon. Imagine a tunnel through the moon. If you __________(jump) into the tunnel you _________(accelerate) toward the centre at a very high speed because of gravity. Then you ________(go) through the centre and start slowing down. Then, when you ________(reach) the end of the tunnel on the other side of the moon, you __________(stop), and then you _________(fall) back down the tunnel in the other direction. You _______(go) backwards and forwards like this forever.

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