—Tom is so worried about the test that he said he was going to study all night. —Tell him he should quit ______ and get some help.

From her______ look, we could see the girls was ______ of the stranger.

There are altogether 6 people in the room, the baby____.

Knowing office rules, whether ______ or not, is always of great importance, especially for young job seekers.

______ another button and your meal is prepared and heated for you.