Of the two American students, Mary is ____ one. I think you can find her easily.
—Mom, must I take out the trash now?—No, you ________. You may take a rest first.
—Smart phones are more and more popular now.—So they are. But they still ________ too much.
It’s very friendly ________ him to help me when I’m in trouble.
________ we deal with our problems, we can easily become unhappy.
—What do you think of your host family, Jim?—Great. They try ________ best to make me feel at home.