单项选择题

A．in turn
B．in exchange
C．in vain
D．in debt
<上一题 目录 下一题>
热门 试题

单项选择题
Why are computerized systems acceptable and helpful
A．They can play games with us.
B．They can make money.
C．They can spot patterns of criminal behavior.
D．They can issue credit cards.
单项选择题
A．onB．forC．byD．in
A．on
B．for
C．by
D．in
相关试题