walk beside
move behind
go before
stand behind
第1题:
第2题:
How trees help prevent droughts and floods.
The relationship between trees and man.
How an empire fell to pieces in ancient times.
A story of trees.
第3题:
astonished
astonishing
astonish
to astonish
第4题:
trouble
hope
freedom
duty
第5题:
swelled
increased
expanded
grew
第6题:
answer for
answer to
ask for
allow for
第7题:
shone
shines
has shone
was shining
第8题:
move
remove
shift
transform
第9题:
coffee was first discovered by Kaldi
coffee was first discovered by Kaldi’s goats
coffee was first discovered in South American countries
coffee drinks were first made by Arabs
第10题:
studied
taught
spread
carried out
第11题:
Then did I know
Only then I knew
Only then did I know
Only then knew I
第12题:
第13题:
is; are
are; are
is; is
are; is
第14题:
she did so
so she did
so did she
she did such
第15题:
large number of sports fans and supporters
successes in the football World Cup
obvious position on the map
excellence at most important sports
第16题:
organization
figure
effect
desire
第17题:
coffee was first discovered by Kaldi
coffee was first discovered by Kaldi’s goats
coffee was first discovered in South American countries
coffee drinks were first made by Arabs
第18题:
When
Since
Though
Unless
第19题:
civil
domestic
democratic
national
第20题:
Who was
Who it was
Who was him
Who was it
第21题:
recall
understand
realize
perceive
第22题:
organizing
managing
operating
breeding
第23题:
which
that
whom
who
第24题:
shall finish
must have finished
have finished
shall have finished