The ground is wet.-It must have rained last night,_____?[ ]

________ more patients of their tooth problems, the dentist put off his honeymoon.

The kind lady devoted all her life to _____ those homeless children.

It seems that your daughter shows an interest ______ playing the guitar.—Exactly. Her teacher says she has a gift _______ music.

下列各句中，没有语病的一句是（ ）