21.   The envelope has been sent to the Bombay-based Haffkine Institute of Training for tests.

v. + envelope >>共 154
push 25.83%
open 12.11%
stuff 4.57%
address 3.34%
receive 3.21%
find 2.97%
send 2.60%
seal 2.22%
take 1.98%
hand 1.48%
send + n. >>共 860
letter 6.46%
message 5.50%
troop 4.53%
signal 2.04%
e-mail 1.77%
child 1.77%
money 1.47%
team 1.19%
price 1.19%
representative 1.07%
envelope 0.07%
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