He broke（）the candy and gave each child a small piece.

单项选择题It's one of the coolest springs we（）

A.ever know
B.ever knew
C.have ever known
D.are knowing

单项选择题It's（）the driest summers we have ever known.

A.all
B.of
C.both
D.one of

单项选择题It's（）novel I've ever read.

A.better
B.the best
C.good
D.best

单项选择题It's the best film I've（）seen.

A.always
B.often
C.ever
D.usually

单项选择题It's one of the best（）I have ever been to.

A.concerts
B.a concert
C.the concert
D.concert

单项选择题Such changes can alter the social structure,（）people to move.

A.which leading
B.leads
C.which led
D.leading

单项选择题There are many cities（）very fast.

A.expanding
B.expands
C.expanded
D.expand

单项选择题Civil war or regional conflicts also cause disruption,（）people out of rural areas.

A.drives
B.drove
C.driving
D.driven

单项选择题This growth,（）mainly in Southeast Asia and Africa, has dramatic consequences.

A.happens
B.which is happening
C.which happening
D.which happened

单项选择题Sixty million people who（）in rural areas are moving to cities every year.

A.lived
B.lives
C.living
D.live