________, according to the study in 6 out of 10 patients, all symptoms ________ what the researchers had expected.

Platypus is a strange animal that lays eggs but _____ milk _____ its young．

—It wasn’t my fault.—Don’t worry!I wasn’t __________ you.

You could ________ this a really nice room if you bought a new carpet.

Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ____ new hope to cancer sufferers.