【正文】
o...? seen...? tried...? ... Singapore Things you know Things you want to know 2a thousands of 數(shù)以千計(jì)的,許許多多的 So far, they have planted thousands of trees. 到目前為止,他們已經(jīng)栽了數(shù)以千棵樹了。 但是,如果 thousand 前面有數(shù)字,就用:數(shù)字 +thousand,不管是幾千都不加 s。 如: three thousand 三千 three quarters 四分之三 Three quarters of the students have been to an amusement park. 四分之三的學(xué)生去過 游樂園。 whether... or... 無論 …… 還是 …… , 引導(dǎo)讓步狀語從句 Hainan Island is