1. Who are you going to have__________ these string puppets?
A. manipulate B. manipulated C. been manipulated D. to manipulate
2. When you make a speech, you’d better use simple words to make yourself________.
A. understand B. to be understood C. understood D. understanding
3. In this day and age, there are a lot of dreadful cases __________abnormal killers commit
appalling crimes.
A. why B. where C.as D. which