--- _______ will your father get back to Shantou?--- He will be back ________.
My father is sleeping, but the radio is too noisy. Can you ___________?
We need ___________ people to finish the job.
_________ the __________ of the class, he played a very beautiful song.
Are you sure _________ the way to the library? I don’t want to get lost.
I want to be _________ engineer when I grow up.