In spring, we can often hear some birds_______ in our school.
You will achieve nothing _____ you work hard
Is there _____ today’s newspaper
___ old lady in red is ____ university professor.
—It’s said that a number of children in those countries don’t have enough food.—________. I think people all over the world should help them.
—What can I do for you?—Can you give me __________ to read? __________ is OK.