16. Nothing taught by others can have the same effect on you as _____ learned by yourself.
| A．that | B．what | C．which | D．It |
._____ you don’t like him is none of my business.
| A．What | B．Who | C．That | D．Whether |
______of danger in the street at night, she had to go home, with a friend_____ her.
| A．Warned; followed | B．Warning; following |
| C．Having warned; followed | D．Having been warned; following |
Earth is a rocky planet_____ liquid water, which is necessary for life, can exist.
| A．as | B．which | C．where | D．when |
.Having retired from business, he now_____ himself with the welfare of disabled and lives a meaningful life.
| A．associates | B．occupies | C．charges | D．rewards |
._____all the exercise every day, I’m still putting_____ some weight.
| A．Though; out | B．Despite; on | C．In spite; up | D．For; on |