You answered it correctly yourself. "Suitable identification" means that the school has decided what type of identification is acceptable. For example, a government-issued ID card, passport, or drivers license may be suitable to the school, while a company-issued ID card or credit card may not be.

Go ahead and ask your question here. There are lots of people who can help!

First tell her, "One uses the gerund form of the verb so that it may function as the object of 'stop'." After she stares at you blankly, tell her, "That's just the way it is." ;-)

It is true that the earth is round.

English uses "razor blade" for the same reason Chinese uses 剃刀 and not just 剃 or 刀.

It was so cold here it felt as if somebody put itching powder on my skin. It was so cold here it felt like somebody put itching powder on my skin. It was so cold here it was like somebody put itching powder on my skin.

Your original is fine for more formal written communication (I made two corrections): "Ten days have elapsed from the date of my order, but so far its status has remained the same." A more conversational version would be: "I ordered it ten days ago, but the status hasn't changed."

First, understand that "like if he's begging" is grammatcally incorrect. Use "as if he's begging" or "as though he's begging" instead, and it should be less confusing. Second, you are correct that "Balance be cursed!" means "I wish the balance to be cursed!". This is an archaic form of speech, likely to be heard in a Shakespeare play or a pirate movie. ;)