The computer system __________ suddenly while he was searching for information on the Internet.

 While working outdoors, Linda was ________ by the heat and fell to the ground, unconscious.

— How do you like his new novel? — It is ____ interesting than I expected. 

At that very moment my mind went completely_______ and I forgot what I was supposed to be doing.

It’s a rule for all the students to ____ their places ahead of 5 minutes waiting for the class to be started.