3.action verb 是use，而進行式的be動詞是am 5.action verb 是snore，而進行式的be動詞是are
... its over-the-counter unit to focus on developing new prescription drugs—a smart move as powerhouse brands such as Lipitor face generic competition. 它...
..., series, and shows that . present scenes of violence, sex, and drugs. People should not watch so much TV that we can say is the...