根据句意，用所给单词的适当形式填空．
If you want to make yourself （understand），you'd better speak clearly and slowly．
The air pollution is still terrible in North China．
It will be even worse if we don't take action to protect the e around us．
Who ran the f of all in the sports meeting？
David did，I think．He spent only 11seconds．
Joy's mom looks young and beautiful．It's hard to imagine she is already in her
['fɔ：tɪz]．
Would you please watch the CCTV program，The Reader with me on
[ˈsætədeɪ]night，Maria？
I'd love to，but Linda invited me to have dinner together．
Do you like [ˈi：tɪŋ]fish，Ben？
Of course．Nothing can be more delicious，I think．