... prepositions II Fill in the gaps with a suitable preposition in on after before at/ at from between at on/ in 10 with/ at III Supply the correct tenses did-buy to become doing is going to rain did- ... 184 7 in Edinburgh, Scotland He worked with deaf-mutes at Boston University Thomas Watson was Bell's assistant Bell demonstrated his invention at a lot of exhibitions *READ She always has a little ... ……………………………………………………………………………… *READ I have a little notebook I always have it with me I try to fill one page a day Sometimes I put words in groups, like fruit- all kinds of fruit, or colors, clothes, or things I have some...