The computer system _________ suddenly while he was searching for some important international news .

Perhaps we will live in _________ dome on Mars.

What do you think of the film “Life of Pi”— I think it’s __________, but someone thinks it’s __________.

I am very sleepy. I tried _______my eyes open, but I couldn’t.

in the regulations that you should not tell other people the password of your e-mail account.