last summer的用法和樣例：
例句
- She was abroad all last summer.
她去年整個夏天都在國外。 - I saw him sometime last summer.
去年夏天的某個時候我曾經見過他。 - Last summer was the wettest on record for 50 years.
剛過去的這個夏季是50年來記錄中雨水最多的。 - We have lost contact with him since he left last summer.
自從他去年夏天離去，我們就失去了聯系。 - We had an outing to the seaside last summer.
我們去年夏天去海邊旅行。
