When we got there, he was about to leave, so he only had time to explain ___ to us what he thought of our plan.
—We’d better go downstairs right now for lunch. —______ They serve food 24 hours a day.
Walking is a nice way to relax. ______, it can help reduce body weight if you do it regularly.
Having decided to take the trip, he ______ preparing for it.
—You mustn’t leave your car unlocked while you are away. —No, I ______. Please don’t worry too much.
I was caught in a traffic jam for over an hour, otherwise I ______ you waiting for such a long time.