与例句中加点字活用现象不相同的一项是（ ）例句：吾妻死之年所手植也

Sam ________ some knowledge of the computer just by watching others working on it.

The teacher was___ a very old man, but in fact he was only a little over fifty

Chinese is becoming more and more popular.It ________ in many schools in foreign countries.

Would you like some coffee? —Yes, and please get me some milk. I prefercoffee _______ milk.