Millie ______ cutting onions (洋葱), but she likes eating them. 

—How do you like the film Titanic?—I must say it’s _______ film I _______. 

—What’s Maria doing at the moment?　　　—She ______.

There’s a lot to do. We can’t __________ to waste any time.

Personally I don’t quite agree that people ________dangerous animals as pets.