1. School(finish) ... finishes... at 4.30 p.m every day.

2. Listen! Are they(sing) ...singing... in the classroom?

3. -Where ...are... you(be)........Phong?

-I'm upstairs. I(do) ...do... my homework.

4. My family like(spend) ...spending...our summer holiday at the seaside.

5. It's warm today. I(not want) ...don't want...(stay) ...to stay... at home now. What about(go) ...going ... swimming?

6. ...Do... you often(eat) ...eat... lunch in the school canteen?

Ở thực vật không có hệ thần kinh nà giác quan như động vật

=> Phản ứng chậm với kích thích từ bên ngoài

1.Hi guy. How are you today?

2.We are fine, thanks. And you?

3.I'm fine. thank you guy.

4.Hello. My name is Hoa. I'm 12 years old.

5.Hello mum and dad. How are you?

6.Hello. This is Nga. She is my friend. She ís in grade 6.

7.I'm Phong, this is Linh

B.Có số tự nhiên nhỏ nhất

199,200

400,401

1199,1200,1201

m-2,m-1,m

Là số 1

Lan (get up) gets up at 6.00

Mai and Hoa (wash) wash his teeth

My father (brush) brush his teeth

We (go) go to school

She (go) goes to school in the morning

I (get) get dressed

He (brush) brushes his teeth every day

They (have) have breakfast

My mother (get) gets up at 5.00

A = {0}

Không có số tự nhien nài mà số liền sau của nó bằng 0