单项选择题
A．was B．were C．had been D．would be
If you try to pass（）the problems, it would be impossibl...
单项选择题If you try to pass（）the problems, it would be impossible for you to make any progress in this field.
A．off B．over C．by D．across
If you really want to apply for the dangerous job, I（）i...
单项选择题If you really want to apply for the dangerous job, I（）in your way.
A．shouldn't have stood B．wouldn't be standing C．wouldn't stand D．couldn't have stood
She was running（）balance, with her feet wrongly positio...
单项选择题She was running（）balance, with her feet wrongly positioned.
A．on B．off C．in D．over
