单项选择题

It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial ______ will be conducted by computer.

A. transactions
B. transmissions
C. transitions
D. transformation
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A．looked afterB．cared forC．better offD．out of control
A．looked after
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(Did) you see (that) boy (been questioned) by (the) police
A. Did
B. that
C. been questioned
D. the
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