Vocabulary Words and Grammar Exercises

Please look up the following words and write sentences with them.  Also do the grammar exercises on the use of semi-colons, commas, colons below.  

Apathy
Appease
Ensued
Imperceptible
Peremptory
Undulation
Imperative
Reiterate
Conjectual
Poignant

Go here for grammar exercises.  Also post the answers to the following:

The following are from the book EATS SHOOTS & LEAVES by Lynne Truss. Please move the punctuation, add punctuation or quotations to correct the sentence.

1) Leonora walked on her head, a little higher than usual.
2) The driver managed to escape from the vehicle before it sank and swam to the river-bank.
3) Don't guess, use a timer or watch.
4) The convict said the judge is mad.

To review comma rules go here

I'll be back towards the end of class, so if you have problems ask.