Use the appropriate form of the infinitive in brackets 1. I am glad (to introduce) to you. 2. The box was (to handle)

1. I am glad to be introduced to you.2. The box was to handle with care. You should have asked someone to help you. This might not have happened.3. Her mood seems to change for the worse. We had better not speak to her now.4. I am sorry to disappoint you but I did not mean anything of the kind.5. He is happy to be awarded the first Landscape Prize for his picture.6. He was anxious to take the first place in the figure-skating competition.7. The poem can easily be memorized.8. This poem is easy to memorize.9. I did not expect to ask this question.10. There were so many things to do, so many experiments to try.11. The teacher expected him to give a better answer at the examination.12. They are supposed to experiment in this field for about a year and are believed to achieve good results.13. He must have read something funny; he is smiling all the time.