Use the infinitive from the following list as subject: to behave,

Use the infinitive from the following list as subject: to behave, to scrape, to shout, to explain, to read and memorize 1. ... in the classroom is an offence against decency. 2. ... why different people like different things is impossible. 3. ... " the great speeches whether they were required in the course or not gave Austin pleasure. 4. ... like this is not decent. 5. ... all the rust off was quite an undertaking