Unit 10 Youre supposed to shake hands. 第四课时 Section B (1a1d) 一、根据句意，用合适的介词填空。 1 Dont point _others with chopsticks while eating. 2 We are not supposed to stick our chopsticks _the food. 3 In India， you are supposed to eat _your hands. 4 I got angry because my mother looked through my things _asking me. 5 Its impolite to start eating first if there are older people _the table. at into with without at 二、根据句意，用括号中所给单词的适当形式填空。 6 Im _(expect) to say “please” when I ask others for help. 7 Please dont
