The lecture was so complex that I simply couldn’t ______ at all. Could you explain it to me?
It is ten years since he _______ in this college.
You ought to have a good rest _______ you have finished your painting.
The room is comfortable to __________.
Lucy doesn’t really ______ tea; she likes coffee better.
The doctor insisted that the patients _____ in great danger and _____ operated on immediately.