The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.(2011·江苏)

I took mathematics and physics because I think that ________ very important for me to make further research in this field.

The teacher，with 6 girls and 8 boys of her class，_____ visiting a museum when the earthquake struck.

–____ delicious food!–Yes, and __ nice it looks!

Not only the house that I live in but also all the furniture in it 　　　 to my parents not me.