India attained________independence in 1947,after________long struggle.(2013·新课标全国Ⅰ,31)
Although swimming is his favorite sport, yet he doesn't like _____ today.
Saying always has less difficulty than _____.
_____ his homework, he went out to play.
_____ from the top of the hill, the lake is just like a mirror.
We walked as fast as we could _____ to catch the train.