It is what you do rather than what you say _______ matters．

How was the journey? Did you come back by plane or by train?—For some reason, I came back by train. I ____ back by plane, though.

When you are reading，make a note of ________ you think is of great importance.

______ do you surf the Internet—About twice a week.

His health _____ under the too much pressure of work.