3. Вставьте предлоги, где необходимо. 1. The personnel ... the US Army are divided ... three categories. 2. Major, Lieutenant-Colonel and Colonel belong ... Field Officers. 3. The Officer Corps is composed ... Company Officers, Field Officers and General Officers. 4. Commissioned Officers are confirmed ... the Senate.

Решение:

Вставленные предлоги:

1. The personnel of the US Army are divided into three categories.
2. Major, Lieutenant-Colonel and Colonel belong to Field Officers.
3. The Officer Corps is composed of Company Officers, Field Officers and General Officers.
4. Commissioned Officers are confirmed by the Senate.

Ответ: of, into, to, of, by.