(23)
A.with
B.in
C.on
D.by

(25)
A.quick
B.slow
C.slowly
D.slowness

When is an area considered “ under-populated ” ?
A.When its population is not big enough to maintain the economic system .
B.When it has high number of HIV – related deaths .
C.When its population is too poor .
D.When it has high fertility rate

Which areas are expected to encounter a decrease in population growth in the next decades ?
A.Some countries in Central and Eastern Europe ,
B.Japan
C.Some countries in Western Europe ,
D.B and C

The mouse family avoided............by coming out only when the two cats were outside
A.catching
B.to be caught
C.being caught
D.to have been caught

. ………………the instruction, he snatched up the fire extinguisher
A.To have read
B.I have read
C.I read
D.Having read

Your friendship should be base on …………..trust.
A.basic
B.fragile
C.mutual
D.blind

If the ball ………….the line, that would have been the end of the game.
A.would cross
B.will cross
C.had crossed
D.crossed

He told a lie to his mother yesterday, so his mother was very angry
A.If he had told a lie to his mother yesterday, she would have been angry
B.If he hadn’t told a lie to his mother yesterday, she wouldn’t have been angry
C.If he told a lie to his mother yesterday, she would be angry
D.If he didn’t tell a lie to his mother yesterday, she wouldn’t be angry.

I like reading books, especially the………. about the natural world.
A.one
B.ones
C.a
D.any