Mary often stays up, reviewing her lessons, books___ all over the desk.

All her time __________experiments, she has no time for films.

With efforts _______ conservation, we may believe that people enjoy a healthy life without the environment around them ________. 

The living room is clean and tidy, with a dining table already_____ for a meal to be cooked.

The subway was crowded with passengers going home from market, most of ________carrying heavy bags and baskets full of fruits and vegetables they had bought there.