I waved _______ him from the window but he didn't see me.
A.up
B.to
C.for
D.through

If a boss wants to have a well-qualified staff, he should have to pay his employees _______.
A.appropriating
B.appropriate
C.appropriately
D.appropriation

The boy waved his hands to his mother, who was standing at the school gate, to _______ her attention.
A.pull
B.follow
C.tempt

D.attract

You should _______ more attention to what your teacher explains.
A.set
B.get
C.make
D.pay

Body language is a potent form of _______ communication.
A.verbal
B.oral

C.non-verbal
D.tongue

Children who are isolated and lonely seem to have poor language and ________.
A.communicative
B.communicator

C.communication
D.communicate

She is a kind of woman who does not care much of work but generally _______ only with colleagues for meals, movies or late nights at a club.
A.discusses
B.discusses
C.supposes
D.socializes

Socially, the married _______ is thought to be the basic unit of society.
A.couple
B.pair
C.twins
D.double

Although they are twins, they have almost the same appearance but they are seldom in _______.
A.agreement
B.agreeably
C.agreeable
D.agree

The school library is open _______ all of the students and the teaching staff of the school.
A.among

B.over
C.for
D.to