—What is the man, do you know?-— I don’t know exactly． But I think he can be ______ but a teacher．

 Few pleasures can equal ______ of a cool drink on a hot day.

He wrote a lot of novels，none of________was translated into a foreign language.

---_____is your father?  ----He is an engineer.

---Is there ___ you don't understand?---I think ___ is quite clear.Thank you.