Since it will take years to know the effect of genetically modified food, it’s more sensible to give it a second thought before we eat it,        it?

I am glad that the Olympic Games will be held in 2008 in China, _______ ?

---____________do you usually read English in the morning?---About half an hour.

---            has your grandma been like this?   --- Since last night.

Is your photo in the drawer? ________.