Vocabulary links:

Merriam Webster dictionary online - includes audio pronunciation
VisuWords - shows definitions but also word relationships

Vocabulary.com - a great way to build your vocabulary and practice new words.  Word lists are customized to fit your level.
Urban Dictionary - new slang

Play Free Rice vocabulary game to build your vocabulary and help end world hunger.

All levels of vocabulary - click here for Free Rice.

Make vs Do and other phrasals

Make vs Do Quiz
Have, Take, or Make?
Go, Save, or Come?

Vocabulary.com is a great game to improve your vocabulary!  

Try it by clicking here.