ct , the hazy weather problem is so severe now that it has aroused __________ nationwide concern about __________ environmental pollution .

I used to feel very nervous when I stood up in front of others, but now I feel quite ______when giving a speech to the school

.____he was fired by the company is____he didn’t work hard.

______ left when you get to the end of thestreet.

Do you think the rain will stop tomorrow —I hope so. It ______ for three days. It’s too bad.