This is a process happens when land becomes desert people cut down trees and dig up grass.
#33051
A
when; because
B
that; because of
C
when; because of
D
which; because
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It was seven o;clock in the morning ____ he came back.It was really at seven o’clock ___ he came back from work this morning.
#80513
A
that; that
B
when;when
C
when; that
D
that;when
--- Can you tell me how to improve my English? --- Do more speaking, I think , ________you will be good at spoken English.
#31605
A
or
B
for
C
and
D
until
Mary must keep her mind on her medical studies now, so it would be years ______ she could think about marriage.
#32683
A
before
B
when
C
since
D
until
Success is how you are viewed by others, _______ achievement is something you do yourself.
#31899
A
while
B
in case
C
even if
D
as long as