Bài tập unit 4 lớp 4 We're having fun at the beach Online

a. swim

b. windsurf

c. kayak

d. football

a. horse riding

b. ice hockey

c. skiing

d. ice skating

a. like

b. tennis

c. badminton

d. golf

a. clean

b. polluted

c. safe

d. river

a. dangerous

b. read

c. watch

d. sleep

a. He is making a sandcastle.

b. She is swimming.

c. Yes , I am.

d. Yes , they are.

e. They are surfing.

a. He is making a sandcastle.

b. She is swimming.

c. Yes , I am.

d. Yes , they are.

e. They are surfing.

a. He is making a sandcastle.

b. She is swimming.

c. Yes , I am.

d. Yes , they are.

e. They are surfing.

a. He is making a sandcastle.

b. She is swimming.

c. Yes , I am.

d. Yes , they are.

e. They are surfing.

a. He is making a sandcastle.

b. She is swimming.

c. Yes , I am.

d. Yes , they are.

e. They are surfing.