I left my umbrella in my room .Could you wait while we go back to get it?为什么要用while 而不是when

I love umbrella,umbrella,umbrella my 请问lose 与leave有什么区别?My umbrella is （ ）lost,left 还是两者都可以I ( )my umbrella lost,left 还是两者都可以 I left my umbrella in my room.Could you wait ---Igo back to get it?A before B while i left my umbrella in my room.Do you mind waiting ____i come back to get it?i left my umbrella in my room.Do you mind waiting ____i come back to get it?i left my umbrella in my room.Do you mind waiting ____i go back to get it?(第二小题)第一题 I left my I'm holding my umbrella是什么意思 I can sit under my umbrella.是什么意思? I love you and umbrella my wife, I ___ my umbrella at home this morning.A.left B.forget C.took D.brought 解释 How could I have left my umbrella on the bus?我怎么会把雨伞留在公车上?是这样翻译吗 I have forgotten my umbrella at home.为什么不可以是left而一定用forgotten呢 Thanks to my foresight, I took my umbrella with me I+left+my+book是什么意思 I left my答案是什么 I left my umbrella in my room .Could you wait while we go back to get it?为什么要用while 而不是when i left my umbrella in my office .Could you wait_____I go back to get it?a.when b.if c.while d.before 选哪个,whyBy the time I —— home,I realized that I ———— my umbrella in the shop.A.got,left B.arrived at,forgot C.got to,had forgotten D.arrived,had left I can't find my umbrella.You __________it in the office.A.must have forgotten B.must have left C.must leave D.must forget