________ is known to all is that effective measures should be taken to deal with the problem of the over­exploitation of our resources.

Maybe there are some things among the girl’s papers, like her school reports, old photos and so on. Can you ______ them and give me whatever you find?

How are your parents–They’re ______. Thanks.

Please ______ the mistakes in my composition

Of the underlined parts, which has a different pronunciation(发音)