On Sundays there were a lot of children playing in the park, ____  parents seated together joking.

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

--- Come on, please give me some ideas about the project.---Sorry. With so much work ____ my mind, l almost break down..

All the factors ________, we decided to offer the job to Li Wei, a man of rich experience.

With prices _____ so much, it's hard for the company to plan a budget.