15.We have four                        today: Math, History, English and Music.

a.classes     b. schedules         c. activities               d. classrooms

16.I like English most. It’s my                      subject.

a.interesting                           b. favorite                 c. important               d. difficult

17.Schools in the USA are a little different                   schools in Viet Nam.

a.at             b. with                 c. from                     d. for

18.American students have two                      each day.

a.  20-minutes breaks                                b. 20-minute breaks

c. 20-minute break                                   d. 20-minutes break

19.The United States’ Library of Congress is one of                 libraries in the world.

b.  larger                   b. largest                  c. the largest              d. the most large

20.Thanks for all your help!~                     

a. You’re welcome.                                  b. I do like.

c. Good job!                                            d. That’s not bad.

21. What a  ...................... home!

A. love                   B. loving                  C. lovely              D. loved

22.  What …………… your father do?

A. did                    B. does                      C. do                   D. is

23. ……………………. is it from here to Ha Tien?

    A. How far        B. How long                           C. How often            D. How high