I spent the whole day repairing the car.The work was easy.

The students in our class always exercise a lot. homework, they finished it very quickly.[ ]

I had hardly got to the office ______ my wife phoned me to go back home at once.

Wang Mei her mother because she is beautiful and intelligent.[ ]

Daily Mail of November 25th reported that American astronomers （天文学家）______aplanet that was most similar to the earth.