What do you think of the voice of Adele who won 2017 Grammy Awards— Oh, I’ve never heard ________ one.

Here______ a map ______ the world (世界).

He____ in London for many years, but he has never regretted his final decision to move back to China

My parents always remind me to make sure the electricity is turned off while I am havinga bath, which would ______ cause danger, leading to a dreadful consequence[ ]

What a table！I’ve neverseen such a thing before. It is _______ it is long.