A new technique ____ out, the yields (收成) increased by 20% .
#98832
A
having working
B
having been working
C
has worked
D
had been worked
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 He would be sure ________ disasters if I didn't stay to keep an eye on him.
#88476
A
of meeting
B
about meeting
C
meeting
D
to meet
The managers discussed the plan __________ they would like to see __________ the next year.
#88270
A
that;carried out
B
/;it carried out
C
that;carrying out
D
/;it carrying out
You need some facts _____ to base your theory.
#94221
A
where
B
on which
C
in place where
D
in the place