He made up his mind to devote his life the river polluted.
| A．to prevent, to be | B．to prevent, from being |
| C．to preventing, to be | D．to preventing, from being |
You should make an apology _____ your mother ______ your rudeness.
| A．to ; at | B．to; for | C．for; to | D．at; for |
Whatfun it is to walk alone withfull moon hanging in the sky.
| A．/; a | B．a; / | C．the; / | D．a ;the |
As President Xi Jinping puts____ , “the Chinese dream is, after all, the dream of all Chinese people.”
| A． it | B．that | C．/ | D．this |
You didn't take his advice. ________ his advice， you ________ such a mistake.
| A．Had you taken，wouldn't have made |
| B．If you had taken，would make |
| C．Were you lo take，shouldn't have made |
| D．Have you taken， won't have made |
Coming into the room, I found them _______ at the table, ________ chess.
| A．seated; played | B．seated; playing |
| C．seating; playing | D．seating; played |