With a lot of difficult problems_____,the newly-elected manager is having a hard time.[ ]

The volunteers were so kind that they devoted most of the time _____ the disabled.

E-mail is very popular today. Peopleseldom write letters now,_______?

In ________ 1600’s, Shakespeare made use of ________ wider vocabulary than ever before.

Studies show the MP3 people have made much use of _____ music may be causing hearing loss in many people.[ ]