Most of the problems ______, he has a tight schedule every day. 

With so many people ______ around her, the girl felt very nervous and grasped her mother’s hand tightly.

 –Come on, please give me some ideas about the project.--- Sorry. With so much work _________my mind, I almost break down.

With so much work _______his mind , he almost broke down .

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.