______ students up to 2, 000 , the school has built another laboratory.
#4643
A
As
B
For
C
with
D
Since
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He is really considering ______ himself to ______ these children of the poor mountain village.
#4822
A
to devote; educating
B
devoting; educating
C
devoting; educate
D
to devote; educate
I thought Jim would say something about his school report, but he ______ it. 
#4948
A
doesn’t mention
B
hadn’t mentioned
C
didn’t mention
D
hasn’t mentioned