Don't forget[ ]an umbrella with you.it's going to rain带上原因!

Don't forget[ ]an umbrella with you.it's going to rain带上原因!
Don't forget[ ]an umbrella with you.it's going to rain带上原因!

Don't forget[ ]an umbrella with you.it's going to rain带上原因!
填写：taking 原因：don't forget doing sth 不要忘记做某事（特定句式） 翻译：你别忘了带把伞,要下雨了