Question

A new language can sound strange the first time you hear it, but you _____________ learn to listen to it before you speak.

Answer 1

Answer:

should

Explanation:

Shouldn't and musn't is not appropiate to the statement

Must makes it seem like you HAVE to do it, like in a forceful tone

Should implies that you should consider listening to it in a more softer tone

Answer 2

Answer:

Should

Explanation:

You should learn to listen to it before you speak.

Hope this helps!