All nations may have to make fundamental changes in their economic, political, and the technological institutions if they are to preserve environment
A.have to make
B.changes in
C.the technological institutions
D.to preserve

Grand Banks of Newfoundland, Canada, is mainly affected by______.
A.steam fog
B.frontal fog
C.advection fog
D.radiation fog

The first paragraph focuses on which aspect of fog?
A.its beauty
B.its dangers
C.its composition
D.its causes

Please _______your cigarette. I am going to get choked.
A.blow out
B.put aside
C.put out
D.cut down

Slang can be defined as a set of codes used in ______ language.
A.uneducated
B.unfamiliar
C.informative
D.informal

_______(37)
A.provided
B.distributed
C.delivered
D.given

_______(38)
A.lie
B.exist
C.show
D.lay

_______(41)
A.growing
B.developing
C.poverty
D.miserable

_______(42)
A.discharging
B.charged
C.recharged
D.discharged

-Teacher: "Jon, you've written a much better essay this time." - John: " _______"
A.You're welcome.
B.Thank you. It's really encouraging.
C.Writing? Why?
D.What did you say? I'm so shy.