问题
选择题
The farmers had the machine ________ all day and night.
A．work
B．working
C．worked
D．to work
答案
答案：B
句意：农民们让这台机器整日整夜工作着。固定结构have sth/sb doing sth表示“让(使)……一直做某事”。
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The farmers had the machine ________ all day and night.
A．work
B．working
C．worked
D．to work
答案：B
句意：农民们让这台机器整日整夜工作着。固定结构have sth/sb doing sth表示“让(使)……一直做某事”。