单项选择题

I'll lend you my computer（）you promise to take care of it.

A．unless
B．while
C．as
D．if

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（）fails to see this will make a big mistake.

A．Whoever
B．Whatever
C．Anyone
D．Who
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When she arrived, she went in the wrong（）

A．direction
B．place
C．location
D．course
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