There great changes in our city in the past 10 years.
| A．were | B．had | C．have been | D．have had |
That is ______ key.
| A．he | B．I | C．me | D．my |
He hasn’t been herethe evening of March 1st.
| A．until | B．since | C．in | D．on |
We can make a fire ____the room warm so that we can chat for a while.
| A．to keep | B．keeping | C．keep | D．kept |
He had to retire(退休)early poor health.
| A．as a result | B．because | C．so | D．because of |
——Is the film interesting?
——I thought it would be. But it’s boring.
| A．in all | B．in fact |
| C．in addition | D．in future |