以下是關於keep track of的造句：
Do you keep track of your purchases?（你會記錄你買的東西嗎？）
I always keep track of whatever I bring to a party.（我總會記住自己參加聚會時攜帶了什麼東西。）
It's hard to keep track of time in here.（在這裡很容易忘了時間。）
Police keep track of the kidnapper using electronic surveillance equipment.（警方利用電子監視設備跟蹤綁架者。）
Keep track of your efforts and write down how you feel.（記錄下你的努力，寫下你的感受。）
Keep track of tax-deductible expenses, such as the supplies and equipment you buy.（記下可減免課稅的開支，比如買的原料和設備。）
As a doctor, Brooks has to keep track of the latest developments in medicine.（作為一名醫生，布魯克斯必須了解醫學的最新發展動態。）
Her mother used to keep track of every penny she spent.（她母親從前把自己所花的每一分錢都記下來。）
We need only keep track of the last marked character.（我們只要記住最後兩次標記的字元。）
Keep track of Mr. Wong, he might escape again.（看緊Mr. Wong一點，他可能又要逃跑了。）
這些句子展示了「keep track of」的不同用法，包括記錄、追蹤和注意某人或某事的動態。