根据汉语意思完成句子从那时起,我们就没有见过他。We haven’t seen him________ ________ ________.
The stamp I bought yesterday (花费)me 20 yuan.
It's a good habit to brush your (牙齿) after a meal.
People often fly kites on sunny and (多风)days.
污染如此严重,人人都应该出一份力来制止它.( so…that )
我记得在七年级时见过你们所有的人.( remember doing )