More and more young people are fond ___ playing tennis nowadays.
| A．on | B．to | C．in | D．of |
A good story does not necessarily have to have a happy ending, but the reader must not be left ________.
| A．unsatisfied | B．unsatisfying | C．to be unsatisfying | D．being unsatisfied |
"Goodbye, then,"she said, without even ________ from her book.
| A．looking down | B．looking up | C．looking away | D．looking on |
The news reporters hurried to the airport, only _________ the film stars had left.
| A．to tell | B．to be told | C．telling | D．told |
The flu is believed _________ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．causing | B．being caused | C．to be caused | D．be have caused |
Helen had to shout _________ above the sound of the music.
| A．making herself hear | B．to make herself hear |
| C．making herself heard | D．to make herself heard |