come under

英文造句：

1. We came under heavy enemy fire.
   我們遭到敵人猛烈攻擊。
2. Moscow television carried extensive coverage of the pullout. A Soviet television correspondence said the convoy had come under fire but did not provide details.
   莫斯科電視為撤軍做了廣泛的報導，一則蘇聯電視報導說車隊曾受攻擊，但是並未提供細節。　
3. James came under fire in the office after he wrote a very critical article in the company magazine.
   詹姆斯在公司的雜誌上寫了一篇很有批評性的文章後，在辦公室受到了攻擊。
4. What heading does this come under?
   這個編在什麽標題之下?