问题
选择题
The mother often tells her son to be a good boy, warning him to______ trouble.
A．hold back from
B．keep out of
C．break away from
D．get rid of
答案
答案：B
此题考查动词短语辨析。keep out of “使避开某事物”，hold back from”退缩，踌躇”， break away from”脱离，挣脱（束缚）”， get rid of”摆脱，除掉”。