D. to make; understanding

5. The dictionary so often _________ by the teacher is a good one.

A. using B. used C. is used D. being used

6. Mr. Smith, ______ of the ______ speech, started to read a novel.

A. tired; boring B. tiring; bored C. tired; bored D. tiring; boring

7. The ______ boy was last seen ______ near the bank of the lake.

A. missing; playing B. missing; play C. missed; played D. missed; to play

8. When we watched the national flag ______ in the Olympic Games on TV, we raised a cheer.

A. rise B. being risen C. raised D. being raised

9. We sat there, ______with what we listened to.

A. satisfying B. to satisfy C. contented D. content

10. What limited money the able housewife made full use of ______ such a big family.

A. to support B. support C. supporting D. supported

11. The boy burst into tears ______ he saw his mother.

A. direct B. direction C. directly D. directly when

12. With online courses Crazy English has over 20 million students all over China ______ its classes through the Internet.

A. attend B. attended C. attending D. to be attending

13. Research ______ out at Liverpool University supports this idea and suggests that if we don't use the sense of direction, we lose it.

A. to carry B. carrying C. being carried D. having carried

14. I've lived here for twenty years, but I don't know the family ______ next to my door.

A. to live B. living C. lived D. having lived

15. Russ and Earl were auto mechanics ______ the same pay, but Earl had more ambition.

A. to earn B. to have earned C. earning D. earned