__________ –I’m OK.

The first day of school, my teacher says “I” _______ a word in English.

Nobody cleans this street. This street is very ______.

What else do you think we should pay attention _________ our environment—- Sorry, I’ve no idea.

__ is know to us all is that the oldworker, for _______ life was hard in the past, still works hard in hisseventies