These are examples of the TOEFL tests. You can read the questions and get idea of how are the exams of TOEFL will be?
You are advised to practice more and more.
When you practice the TOEFL tests, set your watch for the same period of time without any break. So, you will improve your skills in reading and grammar tests parts. Do not practice randomly. You have to discover your weakness and work on it; then, you will be able to get higher score.
HAVE A GOOD DAY