I am not worried about the exam. I am strong enough to at least pass.
Explanation:
I believe you wanted a completion to the sentence? Either way don't worry about your exam, just do your best. But doing your best doesn't mean going "i'll do my best" and just hoping you know the answers. Go study! Now <em>that's </em>doing your best.
"The gravitational pull of the Moon and the Sun makes the water in the oceans bulge, causing a continuous change between high and low tide." I got this from timeanddate.com
