28.I had wanted to help you last night but I couldn't spare any time.for I_____an essay that is due this morning.
There is _____ evidence that cars have a harmful effect on the environment.
Only when he was refused by the interviewer ____ the importance of knowing English.
— What should I do with this passage?—________ the main idea of each paragraph.
He tried to get someone to _______ the old worker but could find none.A in place of B instead of C take the place of D take place
It was ______ back home after the experiment.