Taking physical exercise regularly is an effective way to avoid ______ with the flu.
| A．to infect | B．infecting | C．to be infected | D．being infected |
Tom pretended ____ it, but in fact, he knew it very well.
| A．not listen to |
| B．not to hear about |
| C．not to have heard about |
| D．to be not listening to |
Little Johnny felt the bag, curious to know what it .
| A．collected |
| B．contained |
| C．loaded |
| D．saved |
She can't get down to work because she was deeply ______ by the news of his death.
| A．affeccted |
| B．surprised |
| C．harmed |
| D．charged |
-Was the guest's speech interesting?
-Not at all. He was at a ______ and didn't know what to say when others asked him questions.
| A．loss |
| B．relief |
| C．goal |
| D．mercy |
I really appreciate ______ to relax with you on this nice island.
| A．to have had time |
| B．having time |
| C．to have time |
| D．to having time |