It’s the fourth time that heavy smog has hit the city this month. — It’s high time we _______ measures tofight air pollution.
Do you mind ____ next to you ——_____.
___to go shopping that Saturday, butthe bad weather made me change my mind.
This company was ______ of using misleadingadvertisements in its promotion of the weight-loss pills
I wonder at 8:00 last night I was watching NBA.