Every means     , but none proved      .
#85757
A
have tried; a success
B
have been tried; successful
C
has tried; to be successful
D
has been tried; successful
推荐题目
Mail or gifts posted by companies to customers ________ advertising.
#86055
A
are another
B
is the other
C
are other
D
is another
--Why does the lake smell terrible?    ---Because large quantities of water ______.
#85773
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
Half of the workers here ________ under 30 ________.
#86326
A
is;years
B
are;year old
C
is;years old
D
are;years of age