____time,Chinese farmers have invented many farming techniques.
#26126
A
Over
B
In
C
On
D
For
推荐题目
_____ writer, she is excellent, _____ teacher she is not very good.
#28555
A
As; but as
B
As; and as
C
As a ; but as a
D
As a; and as a
“How long have you been an actor?” “_________ 1995, when I graduated from college.”
#28932
A
After
B
In
C
From
D
Since
A large sum of money has been raised the poorly-educated children in the mountainous areas.
#26983
A
in return for
B
for the benefit of
C
as for
D
in memory of
.If you compare food costs today ______ of a year ago, you will find the difference.
#69949
A
to that
B
to them
C
with that
D
with those