When walking down the street, I came across David, when I _____ for years.
didn't see
haven't seen
hadn't seen
wouldn't see
If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
President Obama has two daughters, _____ able to fit in well with their citizens.
Starring in the hit show “Daddy. Where Are We Going?”, Kimi, together with the other four kids, _______ popular with many teenagers these days.
When and where to build the new factory _____not decided yet .
The boy as well as the two dogs _____ when the earthquake rocked the city.