从右栏中选择正确的答语,填在括号里。 ⑴Is Sandy waiting downstairs? ⑵What time do you have breakfast? ⑶Can I come in? ⑷What is she doing? ⑸How do you go to school? ⑹Where are you from? ⑺Why don’t you ride a bike? ⑻Who’s in the bathroom? ⑼Are you American? ⑽How was your day?