_____we are not attacked by nuclear weapons, we promise that under no circumstances _____ use the bomb first but we reserve the right to use it for counter-attack when necessary[ ]

I expect everything will turn out as you wish.-_______.

I saw some _______and __________dancing in the street the day before yesterday.

What do you think of this schoolbag — Oh, it looks _____.

The waiter was asked to welcome guests with a ________ smile and a bow.