Reforming the education system will be a long and difficult ___. In this course, people should make effort to throw the old one.
| A．program |
| B．process |
| C．project |
| D．procedure |
I________to visit you later that day，but I had to phone and cancel.
| A．come | B．came |
| C．am coming | D．was coming |
I’m calling about the apartment you ________ the other day.Could you tell me more about it?
| A．advertised | B．had advertised |
| C．are advertising | D．will advertise |
Hurry up，kids！The school bus________for us!
| A．waits | B．was waiting |
| C．waited | D．is waiting |
—I don’t understand why you didn’t go to the lecture yesterday afternoon.
—I’m so sorry.But I________my homework.
| A．had done | B．was doing |
| C．would do | D．am doing |
—Have you heard about the recent election?
—Sure，it________the only thing on the news for the last three days.
| A．would be | B．is |
| C．has been | D．will be |