ProfessorWang,_______forhisinformativelectures,waswarmlyreceivedbyhisstudents.

No matter how frequently _____ the works of Beethoven always attract a large number of people.

When do you think ______ start the new attack?

Theorganizationbrokenorules,but______haditactedresponsibly.

There were many more people who got injured in the big fire than _______.