9.What is the name of that book by Mark Twain
10.Why didn't he go to school
11.How long has he worked in that firm
12.What did Nam do yesterday
13.How often does she play badminton
14.When did you recieve your letter
15.What is she going to do tonight
16.When has he been the principal of the school
17.When does she go to school
18.Where did you meet your old teacher yesterday
III
2.why (for more...festival)
3. When(on the...month)
4.how long(for...years)
5.how often(every year)
6.how(in a ...way)
7.where(around...square)
8.why (to attend tomorrowland)
9.when(between... february)
10.how(with...enthusiasm)
