________ the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it.
#92223
A
As
B
When
C
With
D
If
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The country life we ______. The differences between rural and urban areas are disappearing.
#92963
A
were used to have changed
B
used to change
C
used to changing
D
were used to has changed
---I had practiced my spoken English, but still failed in the oral test. ---Don’t be discouraged. _____ and you will surely pass it.
#92027
A
Make a bit more effort
B
To make a bit more
C
Making a bit more effort
D
If you make a bit more effort
Safety in school has been of great concern because of frequent reports about accidents _______ students got injured or killed while in school .
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A
that
B
when
C
in which
D
for which
I kept looking at the man, wondering _______.
#93460
A
whether I have seen him before
B
whether I had seen him before
C
that I had seen him before
D
when I saw him before