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

Taking physical exercise regularly is an effective way to avoid ______ with the flu.

1. A.
   to infect
2. B.
   infecting
3. C.
   to be infected
4. D.
   being infected

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

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

Taking physical exercise regularly is an effective way to avoid ______ with the flu.