A large number of children ________ standing outside the office when I got there. The number of the children _____ 2,500.
No one wants you to be _______ but we really want you to do your best always.
-Could you please help me check what’s wrong?-Sorry, I don’t have much _______of the computer.
-Why does the river smell terrible? -Because the water_______.
一Have you read today’s morning paper?-Not _______. What’s the latest news?
-How about the pollution in the countryside?-Luckily, it’s not as serious as _______ in the big cities.