I spend an hour reading/ It costs me an hour to read.
Please remind me to answer that later.
He missed the game because of his illness.
He worked hard so that he could save some money.
Smoking affects the health.
if you cut off all the tress will rain the land.-这句话不知道你要表达什么.
they refused to have resporisibility for accident .－they refused to take the responsibilites for the accident.