[適當形式填空]you`d better keep the window 【】（open）

you`d better keep the window 【】（open）.

he【】（put out） the fire with a basin of water just now.

a woman with her children【】（walk）in the park now.

so far,no one【】（tell）me about that.

Mary【】（make）a telephone call to her grandparents every week.

an American doctor【】（invent）Coca-Cola long ago.

we【】（clean）out our classroom,so it is now very tidy and bright.