–-Why are you so crazy about music–- Because I can always find in music _____ peace that is missing in _____ world full of challenges.

The course normally attracts 20 students per year, _____ up to half are from abroad.

When will youlend me this new magazine—The moment Iit.

Why was Tom scolded by our teacher?— For____.[ ]

下列各句中，没有语病的一句是（ ）