The girl in black trousers _____often noticed ______the teachers’ office.
---We had a football match with No. 15 Middle School yesterday. ---________. I missed it.
---How did the accident happen? ---You know, it ________difficult to see the road clearly because it_________.
---My house is very near a busy street. ---It ________ be very quiet.
The sign on the right tells us taking photos ________here.
--- Your grandparents were very great. --- Yes. They supported my father’s schooling _________ they were very poor.