_________ no buses, we had to walk home after work late into the night yesterday.
| A．Being | B．There were | C．There being | D．It being |
Mike wasn’t at home yesterday. He ______to give us a lecture.
| A．is inviting | B．is invited | C．was inviting | D．was invited |
A new bridge ______ across the river and it is expected to open next year.
| A．was building | B．is built | C．will build | D．is being built |
We appreciate ______ us know the change of the date for the meeting.
| A．him to let | B．him let | C．his letting | D．let |
This is a picture of Dr. Yuan, a scientist ____ is well known in our country.
| A．which | B．who | C．whom | D．whose |
Only when I left my parents for Italy ________ how much I loved them.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |