During the period of recent terrorist activities, people _____ not to touch and unattended bag.

I can’t find my favourite magazine. Have you seen _________?—Jack went away with _________ just now, but I’m not sure whether it’s yours.

_______ your sunglasses, Sally. The sun is so bright.

I want a house ________ a big garden. [ ]

Not until he called the secretary three times ______ that the manager went to an important meeting．