---Come on, let’s go for a drink. ---Sorry. With so many problems _____ my mind, I can’t take a break.

— How about the suggestion Prof. Smith put forward at the meeting last Friday? — The committee discussed it for hours without a decision _______. 

 ______ on the portrait, mother was deep in thought.

 He stood against the wall with his right hand _____.

 He entered the room, ______ coat covered with snow.