<h2 style="text-align:center;">BÀI TẬP UNIT 1: TO BE (AM / IS / ARE)</h2>

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<b>Bài 2: Điền am / is / are</b><br>
1. I [am] a student.<br>
2. She [is] my sister.<br>
3. They [are] at school.<br>
4. We [are] happy today.<br>
5. He [is] tired.<br>
6. It [is] a dog.<br>

<b>Bài 3: Viết tắt</b><br>
1. I am happy → I {‘m}<br>
2. She is not sad → She {isn’t}<br>
3. They are not at home → They {aren’t}<br>
4. He is a teacher → He {‘s}<br>

<b>Bài 4: Chọn đáp án</b><br>
1. I {am/is/are} a student.<br>
2. She {is/am/are} happy.<br>
3. They {are/is/am} at home.<br>
4. He {is/are/am} my brother.<br>

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<b>Bài 5: Sắp xếp câu</b><br>
1. jumbled:I am happy<br>
2. jumbled:She is a teacher<br>
3. jumbled:They are at school<br>
4. jumbled:He is not tired<br>

<b>Bài 6: Đúng / Sai</b><br>
1. I are a student {false}<br>
2. She is happy {true}<br>
3. They am at home {false}<br>
4. He is my brother {true}<br>

<b>Bài 7: Đoạn văn</b><br>
Hello! I [am] Nam. I [am] 14 years old. I [am] a student.  
My friends [are] very nice. We [are] in class now.  
My teacher [is] friendly.

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<b>Bài 8: Phủ định</b><br>
1. I am happy → I [am not] happy<br>
2. She is a teacher → She [is not] a teacher<br>

<b>Bài 9: Câu hỏi</b><br>
1. You are a student → [Are] you a student?<br>
2. She is happy → [Is] she happy?<br>