单项选择题
Were it not for your help, I（）in trouble now.
A．was B．were C．had been D．would be
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.
单项选择题 If you really want to apply for the dangerous job, I（）in your way.
单项选择题 She was running（）balance, with her feet wrongly positioned.
