高二網(wǎng)課數(shù)學(xué)

　　17. show up 趕到，出現(xiàn)

　　18. add the green beans 加綠豆莢

　　【重點(diǎn)句型】

　　1.By the time I got up, my brother had already gotten in the shower.

　　當(dāng)我起床時，我哥哥已經(jīng)進(jìn)了浴室了。

　　2.By the time I got outside, the bus had already gone.

　　當(dāng)我出來時，公汽已經(jīng)走了。

　　3.When I got to school, I realized I had left my backpack at home.

　　當(dāng)我到達(dá)學(xué)校時，我才意識到我把背包忘在家里了。