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 |
After the snowstorm broke out, what should be immediately done is to provide ________ for those people who lost their homes.
| A．occupation | B．equipment | C．furniture | D．accommodation |
Meeting President Xi was a precious moment for the villagers, ________they will treasure forever.
| A．one | B．it | C．that | D．this |
As the report said, the shopping center was a ________ failure and soon closed.
| A．financial | B．typical | C．physical | D．mental |
—I’m sorry. I shouldn’t have been so rude to you.
—You ________ something not very nice to me, but that’s OK.
| A．have said | B．had said | C．did say | D．were saying |
The mother, ________ in the kitchen, totally forgot the medicine on the table within the child’s reach.
| A．occupying | B．occupied | C．being occupied | D．to be occupied |