---.We didn’t find the Blacks during the lecture. --- No one had told them about _____ a lecture.
I think this is the very work that we must finish ____ her.
The work he devoted his time to _____ worth praising.
The theory he sticks to ______ to be of no use in our studies.
The man you referred to _____ just now.
——You didn’t wait for Mr. Black last night, did you?——No, but we ____. He didn’t return home at all.