e how you work out the answer,_______ you

How do you learn English so well —_______ chatting with my uncle in the USA.

The fire was finally ____. Unluckily, 11 people lost their lives in Puning Fire on March 26th.— I hope the accident like this ____ happen.

I like getting up very early in summer. The morning air is sogood________．[ ]

Thevisitors here are greatly impressed by the fact that_______ people from allwalks of life are working hard for_____ new Jiangsu.