We ______ John’s name on the race list yesterday but for his injury.

If I ______ about this computer program, a hage amount of time and energy would have been saved.

We were suggested that we ____ attention to protecting wild animals.

The boss insisted that the task _______before 5 o’clock this afternoon.

She demanded that he _____ the books he borrowed from her.

If there were no exams and parents meetings, high school life __ much enjoyable.

They ______ so tired if they ______ for a whole day.        

_______ we _______ the new policy for economy, we would never have bought the house.

If you _______ just wait for a moment, I’ll try to find your papers.      

_____ you have the chance to go to the university in the future, you must take it.