单项选择题

When traveling, it is possible that you may be advised to take the travelers' checks, which provide a secure ______ to carrying your money in cash.

A．selection
B．preference
C．alternative
D．substitute
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单项选择题
Because of the bad food he had eaten, his stomach began to ______.
A．pain
B．be hurt
C．ache
D．harm
单项选择题
Bit by bit , a child makes the necessary changes to make his language ______.
A．as other people
B．as other people’s
C．like other people
D．like other people’s
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