____ is known to everybody, the moon travels round the earth once every month.
Tom tried to escape from the burning building.________,he was hit by a piece of burning wood and was killed.
________is believed that the island can be a paradise(天堂)when people live________.
He ________ the last of his coffee and asked for the bill.
After a short rest,we went back to the office to ________ our meeting.
Who took my advice________?It's no use regretting now.