Following are activities to help you practice and learn what you have just been studying. 

They are self-correcting and you can do them as many times as you need to make sure you have assimilated everything. 

When you can do them all perfectly, you will be well prepared for the final part of the lesson, when you will be tested on what you have learned.

You can click on individual activities, or simply start with the first one and then use the next button to go through them all.

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