Luke 1:64

Then the use of his voice and tongue was at once restored,: and he began to speak, and continued to praise God.

Luke 1:20

Now you will keep silent and be unable to talk until the day when this takes place, because you did not believe what I told you, for it will be fulfilled at the proper time."

Matthew 9:33

and after the demon had been driven out, the dumb man could talk. So the crowds were dumbfounded, saying, "Never before among the Jews was anything like this?

Mark 7:32-37

And they brought to Him a man who was deaf and almost dumb, and they begged Him to lay His hand upon him.

Treasury of Scripture Knowledge

Summary

And his mouth was opened immediately, and his tongue loosed, and he spake, and praised God.

Bible References

His mouth

Luke 1:20
Now you will keep silent and be unable to talk until the day when this takes place, because you did not believe what I told you, for it will be fulfilled at the proper time."
Matthew 9:33
and after the demon had been driven out, the dumb man could talk. So the crowds were dumbfounded, saying, "Never before among the Jews was anything like this?
Mark 7:32
And they brought to Him a man who was deaf and almost dumb, and they begged Him to lay His hand upon him.