根据句意及所给汉语或首字母提示完成单词I have lost my interest in________(化学)．
Most of our________(知识)is at second hand．
He is an________(活跃的)member of the school’s stamp club．
He drove the car at full________(速度)through the town．
Did you ever d________who sent you the flowers？
关键语法
根据汉语意思补全句子。我们到机场的时候，飞机已经起飞了。
By the time we got to the airport，the plane________ ________ ________ ________．我起床的时候，我爸爸已经在淋浴了。
By the time I got up，my father________ ________ ________ ________ ________ ________．我到达校门口的时候，校车已经离开了。
By the time I got to the school gate，the school bus________ ________ ________．在我买那个相机之前，莉萨已经向汤姆借了一个。
Before I bought the camera，Lisa________ ________ ________ ________from Tom．
核心句型许多人跑到他们当地的超市尽可能多地买盐。
Many people ran to their local supermarkets to buy________much salt________they could．大卫使它听起来如此逼真，以至于成百上千的人都相信了这个故事。
David made it sound________real________hundreds of people believed the story．
根据句意及汉语提示完成句子I________(睡过头)this morning and was late for class．
They took a taxi to the________(机场)．
We went to the________(市场)to buy some fruit and vegetables．
She put some________(奶油)between the two pieces of bread．
I was reading a magazine when the phone________(响)．
One quality of wood is that it can________(燃烧)．
She is lucky to be________(活着的)after that accident．
The factory is in the________(西方)of the city．
核心句型当我到达会议室的时候，我意识到我把我的背包落在家里了。
When I got to the meeting room，I realized I________ ________my backpack at home．到我起床的时候，我哥哥已经在淋浴了。
________ ________ ________I got up，my brother________ ________ ________in the shower．但是在我吃完饭之前，他们已经离开了。
But________I finished my meal，they________ ________ ________．我正好要上楼，这时我决定先买一杯咖啡。
I was________ ________go up when I________ ________ ________a coffee first．