A.She should buy this house next week.
B.She must buy this house next week.
C.She doesn't have to buy this house next week.
D.She may buy this house next week.

A.How is daydreaming different from sleeping?
B.Can daydreams reduce the hours we sleep?
C.Who daydreams more, men or women?
D.Why is daydreaming good for people?

A.How is daydreaming different from sleeping?
B.Can daydreams reduce the hours we sleep?
C.Who daydreams more, men or women?
D.Why is daydreaming good for people?

A.scientists
B.pictures
C.devices
D.parts

A.one's immediate environment
B.the outside part of the brain
C.several regions of the brain
D.the default mode of thinking

A.routine actions
B.a person's immediate situation
C.itself
D.appropriate relationships

A.drag
B.consume
C.question
D.celebrate

A.new invention
B.a solution to a problem
C.a way to act in a relationship
D.a job that needs close attention

A.The brain develops one's muscles.
B.The brain is different than a muscle.
C.The brain and our muscles both need rest.
D.The brain is a lot like a muscle.

A.were telling
B.tell
C.told
D.were told