1. Sometimes _______ rich also have their problems. You see, Jack’s house has been broken into ______ third time.
A. the; a B. a; the C. /; a D./; the
2. It was the first time that they ________ to think about what use could be ____ the waste things.
A. have begun; made up B. had begun; made from
C. had begun; made of D. began; made out
3. The man insisted ____ a taxi for me even though I told him I lived nearby.
A. on finding B. to find C. he finds D. his finding