26. As a teacher and a leader, she wanted us ……………… effectively. a. have known how to learn b. knowing how to learn c. to know how to learn d. to know of learning learn 27. But after ……………… it over, I decided to laugh at myself and just join anyway. a. having thought b. I have thought c. have thought d. to have thought 28. They did not want us to feel inhibited ……………… together. a. from asking questions or enjoying our time b. of asking questions or enjoying our time c. having asked questions or enjoying our time d. as asing questions or enjoying our time 29. Mary said, “I regret ……………… him earlier in my life”. a. to meet b. not having met c. to have met d. at meeting 30. After ……………… it, please return the form to us in the envelope provided. a. to complete and sign b. you are completing and signing c. completing and sign d. completing and signing