6. He looks different                  his father.

     A. at                          B. with                 C. from                D. for

7. Mr. Ba has                days off than Mr. Trung.

     A. much                    B. many               C. less                  D. fewer

8. Hung is in his room. He________ the guitar now.

     A. play                      B. plays               C. will play           D. is playing

9.                  a lovely house!

     A. How                     B. What               C. When              D. Where

10. My brother is the                   in my family.

     A. more intelligent       B. intelligent          C. most intelligent D. less intelligent

15. What is there …........... breakfast?  – There are noodles and vegetables.

 a.  in                                 b. on                              c. for                      d. at

  16. How ............... oranges are there in the fridge?

 a. many                   b. much                          c. old                    d. X

9. He ................ his bicycle at the moment.

 a. rides                    b. is riding                     c. ride                             d. to ride

  10. Fanxipang is the .................. mountain in Viet Nam.

 a. high                     b. higher                        c. highest              d. the highest

Một bể cá hình hộp chữ nhật có thể tích 120 dm³. Hỏi bể cá đó chứa được bao nhiêu lít nước?

Đo trong lòng một bể nước có thể tích là 2,5m³. Nước trong bể chiếm  thể tích bể. Hỏi bể đó có bao nhiêu lít nước?

1dm³= .......m³                                                                        2,643dm³= ...........m³

5/8 dm³= ...........m³                                                         51,17m³= .............cm³