다음 중 문법적으로 옳은 문장을 고르시오.


① Mr. Gilmore is one of those men who appears to be
friendly; however, it is very hard to deal with him.
② Reading for learning is something you will have to do it
all your time.
③The tiny wire-rims he worn only when he couldn't tolerate
his contact lens were perched in front of very red eyes.
④ There is little possibility that crude oil prices will fall
below the present level, where already is low.
⑤ All of the facts that I have told you are true and can be
found in this book.