英语题，希望有高手帮帮忙!~在线等答案~

A. tender B. bid C. propose D. present
E. proffer F. volunteer G. offer

[1]He ______ for the army.
[2] Please ______ a letter of resignation.
[3]The winners were _____ with medals.
[4]I didn’t think it wise to ______ an opinion.
[5]I feel bad that I didn't ______ them any food.
[6]He _____ dealing directly with the suppliers.
[7]She knew she couldn't afford it, so she didn't _____ .