The management has assured all staffs that anyone _______ the professional development seminars will receive a certificate thanking them for their participation.
A.attended
B.attending
C.attend
D.to attend

Today, the number of people______ from AIDs is finally decreasing.
A.died
B.die
C.they die
D.dying

By considerable measurement, blue whale is the largest known animal ______on the Earth.
A.to exist
B.existing
C.
D.existed

The students don't know how to do exercise _______ by the teacher yesterday.
A.were given
B.given
C.to be given
D.giving

Most companies have regulations______ how much they should spend on advertising for a year.
A.determines
B.determine
C.determiner
D.determining

Businessmen ______ the conference will get a good sense of what the current business issue is, and will learn more about how to develop their own business.
A.attendance
B.
C.attending
D.attended

The company hopes that the personnel_______ will be of varied backgrounds and possess outstanding research skills.
A.chose
B.chosen
C.choice
D.choose

A healthy diet ______ fruit and fiber will decrease one’s risk of cancer.
A.that include
B.included
C.including
D.included

The book ______ the table is mine.
A.which on
B.on
C.on which
D.is on

Fifty years ago, many people _______ from Tuberculosis eventually died.
A.who suffering
B.suffering
C.suffered
D.were suffered