Many thanks to everybody.

I have been learning on what you guys told me. More questions will come if any problems.

I 100% agree that Ed always put his explanation precisely and concisely. I always love to read his posts.

>>Ed:
>>
>>I wish I could write as clearly as you do. Your explanations are usually 50% shorter than mine and twice as clear too...
>
>Go back to school; grad school, and a complete review of Strunk & White, has helped tremendously for me.