Stuck on crossword tuition site !

[bamberger]

In my attempt to become more clued up I came across http://www.timmoorey.info and there is a page which explains types of clues. Sadly it doesn't give the answers and I'd be grateful if someone would help me with:
Clue type Sandwich one part fitted inside another.
Clue Bovine has eaten everything green(6)
Additive solution from two or more parts.
A pop-group on leave (7)
Two definitions (2 or even more straightish definitions)
Trim a tree (6) & a lighter shove (5)
Homophone secondary indication is given by sound of the first.
Leather moved from side to side by the sound of it (5)
& lit . And literally is the solution.
&lit anagram. I'm one involved with cost (9) (I can't see the anagram)
Cryptic definition: only one
indication of the solution ie no
secondary indication
Mug presented at christening? (4-4)
014? (6,5)
I've ordered his book!

[Mamyalynne]

Homophone

Suede sounds like swayed

[tyrepill]

Economist...anagram of "i'm one+cost"

[Mamyalynne]

Cryptic

Font (re christening
Face(mug)

[tyrepill]

Bovine=Cow around All(everything)=C(all)ow.(inexperienced) or green

[glasman]

Additive solution - A - band - on.(pop group)

Two definitions - trim a tree - Spruce.

[ulysses100]

&lit anagram of I'm one + cost = economist

[ulysses100]

Two definitions :

lighter (a vessel) and shove = barge

[ulysses100]

Cryptic :

Mug presented at christening = baby face