EX1: CHOOSE THE BEST ANSWER
 1. ..............bags are you carrying ? - July's 
  A. Which                    B. What                    C. Who's                  D. Whose
 2. ...................usually gets up the earliest in your family ?
  A. Which                    B. Who                      C. What                   D. How
 3. ...............do you expect to have the work completed ? 
  A. When                     B. What                     C. Who                   D. How far
 4. ..............................do you go shopping ?
  A. How long               B. How often              C. How many            D. How much 
 5.......................does your English teacher look like ?  She's young and pretty
  A. What                   B. How                   C. Where                  D. Who
  6. Lan: ..................does a Yao kid never wander through ?  Mai: A Yao kid never wanders through the woods
  A. Where                 B.  What                 C. Who                   D. When
  7. .....................do the people here build their stilt house ? - They use columns and beams to build them.
  A. How                    B. When                 C. What                   D. Where 
 8. ..................is the most important festival in Vietnam ?
  A. Which                 B. What                  C. When                  D. Where 
 9. Hoai : .................are some of the Hmong children are playing ?
     Lan: Some of the Hmong children are playing hide and seek.
 A. When                   B. Who                   C. What                   D. That 
 10. Minh: ..............are the Odu farmers going ?
 A. When                   B. Who                   C. Whom               D. Where
 11. ......................were the biggest wirefires ? - They were in Siberia , Russia.
 A. Which                  B. How                    C. What                  D. Where 
 12. ..................was the worst avalanche ? - It was in 1970
 A. Which                  B. When                  C. What                  D. Why 
 13. ...................was the drought ? - It lasted two years . 
 A. How wide             B. How tall           C. How long           D. How heavy
 14. ...................houses did the typhoon damage ? - 20,000 houses.
 A. How wide             B. How much            C. How long              D. How many
 15. .....................damage did the flood cause ?
A. How wide              B. How much               C. How long               D. How many