---Can I smoke here? ---No. On no condition _____ in the museum.
Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
All but Dick ________ in Class Three this term.
I took mathematics and physics because I think that ________ very important for me to make further research in this field.
Where to get the materials and how to get them ________ at the meeting.