**Match, choose and write the idioms \(it'snot rocket science; be on the same wavelength; be light years ahead of; get one’s wires crossed\) in the correct form to complete the exchanges. Use full forms of the verbs: e.g.: is, am, are, is not, are not ... .

A: I find it difficult to download music from the Internet.
B: Oh, come on! It _____ .