问题
选择题
________ more careful, the work might have been done better.
A．Being
B．Having been
C．If you had been
D．To have been
答案
答案：C
考查if 的过去虚拟句。 If 后用had done, 主句用情态动词+have done
搜题请搜索小程序“爱下问搜题”
________ more careful, the work might have been done better.
A．Being
B．Having been
C．If you had been
D．To have been
答案：C
考查if 的过去虚拟句。 If 后用had done, 主句用情态动词+have done