[Idiom] Idioms

[john giraldo]

Good morning:

I want you to tell me the meaning and help me to complete these uncomplete idioms, I could n´t find.

I was doing a homework to finish them:

1. To put it in a___
2. to get straight to the _____
3. to get the wrong end of the______
4. To be on the same______
5. Can´t make head or_____of it
6. To talk at across_______

Thank you very much in advance,

John Ed.