They ________ for twelve hours a day. A. eating B. eats C. eat
The ship will go faster if we sail _________ the wind.
(2014届天津市蓟县第二中学高三第一次模拟考试英语试卷) During the examination we are required to stay in our seats, keep our eyes on our work, to anyone.
They are similar___appearance, but differ_character
The purpose of the article is to draw public attention ______ the problem.
Knowing what colors look good _______ your skin is of great importance when you buy clothes.