His mother needs a m_______ operation at once .He has _____ _____ _____ (用完）all the exercise-books .There are many people ____ ____ ____ ____(面对这些挑战）.I feel ____ ____ _____ _____ (非常幸运的拥有） the dog .
问题描述：
His mother needs a m_______ operation at once .
He has _____ _____ _____ (用完）all the exercise-books .
There are many people ____ ____ ____ ____(面对这些挑战）.
I feel ____ ____ _____ _____ (非常幸运的拥有） the dog .
答
His mother needs a medical operation at once .
He has completely used up (用完）all the exercise-books .
There are many people who faces these challenges (面对这些挑战）。
I feel very lucky to own (非常幸运的拥有） the dog .
答
medical
already used up
faced with these challenges
so luck to own