题目内容
Some laid-off workers delightedly took up the work to ________ patients in hospitals．
[ ]
A．took on
B．look on
C．depend on
D．wait on
答案：D
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Some laid-off workers delightedly took up the work to ________ patients in hospitals．
A．took on
B．look on
C．depend on
D．wait on
阅读快车系列答案