Pruebas CDI

Here are the tests:

CDI

English exam

You can check your KET/PET exams in the documents that I uploaded some time ago, there you can find different exercises.

Here are other links so you practice for the exam.

Present Simple.
Past Simple.
Future Simple.
First Conditional.
Second Conditional.

You can find more exercises and explanations in that web.

Unit 3 grammar

Exercises for modals 
More modal exercises

Too and enough explanation for countables and uncountables

Irregular verbs rap