【推荐1】He also suggested that the earth was s________(旋转) as it went round the sun and this explained changes in the movement of the planets and in the brightness of the stars.

【推荐2】He also suggested that the earth was________(使……旋转) as it went round the sun. （根据汉语提示单词拼写）

【推荐3】Let’s s__________ the coin to decide whether to go or not in such a rainy day.

【推荐1】At home, you insist on a___________ (帮助) your parents to look after your disabled brother.

【推荐2】The success of business depends on m________ a good relationship with your customers. (根据首字母单词拼写)

【推荐3】With the development of technology,scientists now have no difficulty c_______the time when the spaceship will reach the moon.