Scientists study ____ human brains work to make computers.
#5936
A
when
B
how
C
that
D
whether
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Because of the financial crisis,I have no ready____ on me. Can I pay you tomorrow?
#7575
A
deposit
B
cheque
C
coin
D
cash
Please read the _______ on the bottle and take the right amount of medicine.
#5953
A
explanations
B
descriptions
C
instructions
D
introductions
Although it is not our normal _____ to give credit, this time I think we should consider the matter more closely.
#7389
A
state
B
intention
C
occasion
D
practice