Definition: if possible Level: B2
每天多喝水，最好在早上。
Drink plenty of water daily, ___preferably in the morning.
工作时休息一下，最好到外面呼吸新鲜空气。
Take breaks during work, ___preferably outside for fresh air.
明天前完成作业，最好今天。
Complete the assignment by tomorrow, ___preferably today.
