`18.`What/ the pandas/ do/ when/ Tom/ at the zoo/ yesterday?
`->` What did the pandas do when Tom at the zoo yesterday? (yesterday `->` QKĐ)
`19.` Mother/ teach English/ a small school.
`->` My Mother teaches English at a small school. (HTĐ vì đây là một là một sự thật luôn đúng)
`20.` How many/ classmate/ there/ your class?
`->` How many classmates are there in your class?
`21.` I/ learn/ English grammar/ reading carefully/ grammar rules.
`->` I learn English grammar and reading carefully the grammar rules.
`22.` Could you/ show me/ way/ the near/ station, please?
`->` Could you show me the way to the nearest station, please? (câu hỏi đường)
`23.` Life/ the city/ more exciting/ life/ the countryside.
`->` Life in the city is more interesting than life in the countryside. (S1 + am/is/are + more + adj + than + S2)
