The changes of the plants and animals in an area ________ from differences in climate and the           nature of the country.
#99115
A
rise
B
raise
C
arouse
D
arise
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Do let your mother know the truth. She seems to _______ everything.
#101018
A
have told
B
be told
C
have been told
D
being told
This article is well written because special attention ______ to the choice of words nod style of writing.
#104891
A
had been paid
B
has been paid
C
will be paid
D
will have been paid
.Although it         in the desert most of the year, people still live there.
#102773
A
doesn’t rain
B
didn’t rain
C
hasn’t rained
D
hadn’t rained