Similarities: high-pitched voice, repetitive use of grammatically acceptable words, present-tense verbs.
相同点：很高的声调，重复使用简单的句式。
Library Trip: Students went to the library and find at least 10 simple present tense verbs and 10 simple past verbs by reading storybooks.
图书馆之行：同学们去图书馆读书，从故事中至少找出10个动词的一般现在式和10个一般过去式。
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