Please remember. With the 5 Grammar questions you will be asked questions about either the past continuous / progressive OR the present continuous / progressive. The questions are very simple. There are NO questions that involve parallell actions or non-action verbs.
Check below for previous posting that give you links to sample sentence unscramble and grammar exercises. Also check out the list of words related to the skeleton it might be useful to know.
Most of all, make sure to get a lot of sleep and not to worry. The exam is EASY.
Link:
Sample Exam [rapidshare]
Sample Exam [Depositfiles]