－What made Jim’s parents so happy?－＿＿＿　the college entrance exam.

 ______ on the portrait, mother was deep in thought.

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

 “Mum !” she cried suddenly , tears      down her cheeks .

With many problems ________, the newly selected president will have a hard time.