How can you persuade them ___ the advantages of solar cars?
| A．of | B．to | C．into | D．out of |
. ---You were brave enough to raise objections at the meeting. ---Well, now I regret ___________ that.
| A．to do | B．to be doing | C．to have done | D．having done |
. Would you ___________ me your identification card, sir?
| A．mind to show | B．mind showing | C．trouble to show | D．trouble showing |
. He suggested ___________ on Saturday.
| A．to have a meeting | B．having a meeting | C．a meeting to have | D．that having a meeting |
. It is no good ___________ to come now. He is busy.
| A．if you ask him | B．to ask him | C．asking him | D．that you ask him |
. Although punctual himself, the professor was quite used ___________ late for his lecture.
| A．to have students | B．for students to be | C．for students’ being | D．to students’ being |