be open的用法和樣例：
例句
- The door was open, and Howard split.
門(mén)開(kāi)著(zhù)，霍華德走了。 - The fresh air blew in from the open window.
新鮮空氣從開(kāi)著(zhù)的窗戶(hù)吹進(jìn)來(lái)。 - They demand that the library be open every day.
他們要求圖書(shū)館每天開(kāi)放。 - The central heating will be put off next month.
下個(gè)月暖氣不開(kāi)放了。
