You can imagine how different the table manners here are from ______.

Mary tries ____ vegetables eleven or twelvetimes a week because she wants to be ____.

We may think that kids know little about health. _________, they have a high health IQ.

If nothing______, the oceans will turn into fish deserts.

it Ann’s husband over there—- No, it ______ be him—I’m sure he doesn’t wearglasses.