It isn’t ……. science!

Can you complete this English expression? It means “it is not difficult”.

It isn’t …….. science!

a) physical

b) physics

c) natural

d) rocket

The answer is below!↓

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Answer: d) rocket

It isn’t rocket science!

Example: You can’t do the homework? Why not? It isn’t rocket science!

By I Talk You Talk Press – Easy English Reading