_________(23)
A.atmosphere
B.environment
C.aspect
D.surroundings

I enjoyed talking to the people whom I had dinner with them last night.
A.talking
B.whom
C.had
D.with them

He never goes home before he will finish his work.
A.He
B.goes
C.before
D.will finish

The sun is so bright for us to look directly.
A.The sun
B.so
C.for us
D.directly

A.unwise
B.develops
C.values
D.equals

A.played
B.cooked
C.laughed
D.watched

A.disaster
B.encounter
C.determine
D.government

Many people are not fully aware of the influence of_____ we treat animals.
A.why
B.when
C.the way
D.no matter

A good lecturer should be ready for situations where he finds himself in front of the crowd and has questions_____ at him, back on the shelf.
A.threw
B.thrown
C.to throw
D.throwing

There are thousands _______leopards in the world than tigers.
A.
B.of
C.about
D.more