There two main types of ads: ____1___ __2______ (CAs)and ___3___ ___4___ ___5___ (PSAs)
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【简答题】读短文,判断正(T)误(F)。 Hello! My name is Bill. I am eleven. I like travelling. I want to tell you my travel plan. I want to go to Henan with my parents this summer vacation. We want to go there by train. I w...