问题
选择题
When the manager goes out for vacation, he always leaves his secretary_______ the factory.
A．in the charge of
B．in charge of
C．in charge
D．in the charge
答案
答案：B
四个选项分别表示由……负责、负责……、在……看管下和正负责，根据题意选B，他总是留下他的秘书负责工厂。