By the Shang Dynasty(around 1600-1046 BCE),these symbols had becomehad become(become) a well-developed writing system.到了商朝(大約公元前1600-前1046年),這些符號已經(jīng)成為一個成熟的書寫體系。
[仿寫]到上周末我們已收到1000多條短信。
By the end of last week,we had receivedhad received over 1,000 text messages.
【考點】固定搭配/句型.
【答案】had become;had received
【解答】
【點評】
聲明:本試題解析著作權屬菁優(yōu)網(wǎng)所有,未經(jīng)書面同意,不得復制發(fā)布。
發(fā)布:2024/5/23 20:38:36組卷:4引用:1難度:0.7