A.total
B.potential
C.absorbent
D.intense

A.debt
B.birth
C.obstacle
D.forbid

A.committee
B.absentee
C.Japanese
D.referee

"Have you ever met the girl over there?" - "No. _______
A.I don't.
B.I have.
C.Why not?
D.Who is she?

"Good bye. Have a nice weekend." - "Goodbye. _____.”

A.Me too
B.You're welcome
C.Not at all
D.The same to you

Accuracy, cleanliness, and orderliness are required.
A.carefulness
B.decision
C.cleverness
D.precision

"Would you like some more to eat?" - "No, thank you. I've had more than enough already."
A.race
B.pour
C.plenty
D.amount

According to the passage, bees ____________________________________.
A.learn to communicate
B.are born to be able to communicate
C.are the most interesting animals
D.communicate with each other by flying

The experiment done with Sarah is an example of ____________________.
A.animals with natural system of communication
B.animals able to communicate with humans
C.animals possible to use language as humans
D.animals with a system of communication worked out by humans

The phrase “concerned with” is closest in meaning to ________________.

A.interested in
B.responsible for
C.related to
D.joined to