—What do you often do after supper?—I often watch TV. but sometimes go out for a walk.

--- _______ can a tiger weigh, do you know? ---Yes, I know that a big one can weigh over 300 kilos. 

India attained         independence in 1947, after          long struggle.

— ________ have you learned to play the piano?— ________ five years ago.

HangZhou is ________the West Lake.