--I hear that the famous singer Eason Chan will sing at Beijing New Theatre.--Really? Where did you _____?
Last year was the warmest year on record, with global temperature 0.68 ℃____ the average.
Like ancient sailors, birds can find their way____ the sun and the stars.
______ he once felt like giving up, he now has the determination to push further and keep on going.
He wrote many children’ s books, nearly half of____ were published in the 1990s.
The meeting will be held in September, but____ knows the date for sure.