Fill in the gaps with one of the question words from the list.
who, what, which, where, how long, when, what time, how often, how, whose
1 ..Whose.... is this bag? My sister's.
2 ..................are the children? At school.
3 ..................is Paul coming back? Tomorrow.
4 ..................does he drive? Very dangerously.
5 ..................is that woman? Mary Smith.
6 ..................do you finish work? At four o'clock.
7 ..................do they buy a newspaper? Every day.
8 .................. is her name? Catherine.
9 ..................city do you like best? Rome or Milan?
10 ..................have you been a teacher? Since 1991.