71. When will you be through with your work, John?
點(diǎn)睛
本句中，be through (with sb./sth.)意為“已結(jié)束”。本句相當(dāng)于When will you finish your work?
考點(diǎn)歸納
與through有關(guān)的短語(yǔ)還有：through and through（完全，徹底），get through（接通），see through（看完）等。through本身的含義包括：
“穿過(guò)；貫穿”。如：
You can see the three people through the mist. 透過(guò)薄霧，你能看見那三個(gè)人。
“自始至終”。如：
He will not live through tonight. 他活不過(guò)今晚了。
“因?yàn)?，憑借”。如：
It was through you that we were able to meet again. 全仗你的幫助，我們才能重聚。
