23. What is she doing?

24. What do you usually do after school?

25. What sport does your father like?

26. How often does Minh go swimming?

27. What are they going to do tonight?

28. What does Nga want to go?

29. Where are the children?

30. What do children should do after meals?

\(i=90^o-60^o=30^o\\ \\ i=i'\Leftrightarrow i'=30^o\)

D

Đáp án là D nhé bn 

B

B

B

T - T - T - NI - F

A

A

A

C

B

21. A
22. A
23. A
24. C
25. B

21.B

22.A

23.C

24.B

25.D

21. B

22. A

23. C

24. B

25. D

C

C

Đáp án C

Chúc bạn học tốt <3

A

A

A.30 độ

B

B

B