We do know the people who built Stonehenge （)and great planners.

A．how should we do

B．what we should do

C．what should we do

A．what should we do with

B．how should we do with

C．what we should deal with

D．how we should deal with

A.know

B.beknown

C.beingknown

D.tobeknown

A.We should plants more trees and flowers.

B.We should clean the banks of our rivers.

C.We should know what will happen in the future.

D.We should know what we must do and begin to do now.

What do we know about the people of the baby-boom generation？

A．Most of them become parents in their twenties.

B．Most of them prefer to live with their children.

C．They are willing to take care of their aging parents.

D．They have a higher employment rate than their kids.

As we all know, every store in a chain operates in the same way ______ the others do, so everyone knows what to expect th

E．[ ] A．how

B．which

C．as

D．in that

What do we know about WWW？

A．It spread quickly after put in use.

B．It didn't become available to the public until 1991.

C．It was used as a way to retrieve information at first.

D．All of the above.

Which of the following is NOT true？

A.none of the above

B.Through debating, we know that many things in our life do not deserve debating or discussing.

C.Through debating, we want to find out the reasonable truth.

D.Through debating, we learn to think from different perspectives.

A.slim

B.strange

C.tiny

D.delicious

A.No problem.

B.Yes,it is.

C.In the classroom.

D.Tomorrow evening.

What do we know about Milly from the story？

A. She was seriously ill.

B. She was hidden somewhere.

C. She had met with an accident.

D. She had caused a scandal.