19. If you are planning to spend your money having fun this week, better ________ it—you’ve got some big bills coming.
A. forget B. forgot C. forgetting D. to forget
20. According to a recent U. S. survey, children spend up to 25 hours a week ________ TV.
A. to watch B. to watching C. watching D. watch
21. The flu is believed ________ by viruses that like to reproduce in the cells inside the human nose and throat.
A. cause B. being caused C. to be caused D. to have caused
22. The flowers ________ sweet in the botanic garden attract the visitors to the beauty of nature.
A. to smell B. smelling C. smelt D. to be smelt
23. The disc, digitally ________ in the studio, sounded fantastic at the party that night.
A. recorded B. recording C. to be recorded D. having recorded
24. Having been attacked by terrorists, ________ .
A. doctors came to their rescue B. the tall building collapsed
C. an emergency measure was taken D. warnings were given to tourists
25. Robert is said ________ abroad, but I don’t know what country he studied in.
A. to have studied B. to study C. to be studying D. to have been studying
26. The managers discussed the plan that they would like to see ________ the next year.
A. carried out B. carrying out C. carry out D. to carry out
27. I’ve worked with child before, so I know what ________ in my new job.
A. expected B. to expect C. to be expecting D. expect