问题

How long does Kitty spend on her homework—________.
A:Half an hour
B:A half hour
C:Half hours
D:An half hour
B:A half hour
C:Half hours
D:An half hour
正确答案是:
同类题型
I’m really tired of Tom because he ______ keepasking silly questions
I was at the cinema at 9 o’clock last night. What about you — I _____ at home.
Daniel, _______the other boys in our class, _______playing football.
She thought I was talking about her daughter,,in fact,I was talking about my daughter