39 not…until

　　昨晚直到妈妈叫他去睡觉，杰克才停止玩电子游戏。

　　Jack didn’t stop playing the computer games until his mum asked him to go to bed。

　　别担心，直到雨停了他才回来。

　　Don’t worry， he won’t be back until the rain stops。

　　昨天晚上一直到12点我才睡着。

　　I didn’t fall asleep until 12 o’clock。

40 One…the other…/Some… others…

　　他们俩一个来自澳大利亚，一个来自德国。

　　He can not only speak French but also speak fluent Germany

　　假如你想爬山，有两种方式，一种是步行，一种是坐缆车（cable car ）上去。

　　If you want to get to the top of the Fragrant Hill， there are two ways。 One is climbing up/ to climb to the top， the other is taking the cable car。

　　放学后许多学生参加课外小组活动，一些打篮球、另一些与外教练习英语。

　　After school a lot of students take part in some activities， some go to the computer group， some play basketball， others practice English with the foreign teachers。