The reason _____ he was late for the meeting was ____ he was held up by traffic jam during rush hours.

Most of the developing countries are faced with lots of troubles , _____the financial problem is not the worst

Those who do exercise _____ in our club have showed amazing improvements in health and weight

I wonder what life was like here in the past.

Excuse me, you are ________ of my passing through.– I’m sorry, here you go.