The UN has already____the use of chemical weaponsduring warfare, since they are too destructive. [ ]

Would you like some rice — ______ . I like some soup.

The Mid-Autumn Festival is ________ specialholiday for most Chinese when ________ whole family will get together

I’m glad I went over all my notes; otherwise _____ .

_________ did the students realize that they were mistaken about spiders.