— Dad, must we wait until the light becomes green? — Yes, I’m afraid we ______. That’s the traffic rule.
He is late, ___ his bicycle is broken.
If your father ___ in a hurry, he will be late.
When you get on a bus, the conductor will usually warn you ___ a thief.
It’s easy ___ because the bicycle needs ___ space.
If people obey the rules, there will be ___ traffic jams and accidents.