I. Chia dạng đúng của động từ "to be" trong ngoặc1. Lan...... my sister. (be) (-), ?)
2. They........ my cousins. (be) (-), (?)
3. I............ good at Math. (not be) (+), (?)
4. .............. you a teacher?
5. .............. he a good student? (+), (-)
6. .......... it a pen? (+), (-)
7 My friends............. friends. (be)
8 I and Mai ...........friends. (be)
9 It............ a table. (not be)
10 We..... stundent of Yen Vien Secondary School. (be)
11 How old ....... you? (be)
12 How old ........ she? (be)
13 Who............ they? (be)
14 This............. a book and these ............. pens. (be)
15 ................ you in class 4A?
16 There................. many flowers in my garden. (be)
17 There ............... any flowers in my garden. (not be)
18 .................... there any flowers in your garden. (be)
19 I ....................a student in class 5C (not be)
20 What time ................. it? (be)