Humans go against nature so environment is getting worse and worse.
| A．the ; an | B．/;an | C．the;the | D．/;the |
value
| A．practice | B．base | C．grade | D．wash |
In my opinion, ______ seems easy at first often turns out to be difficult in the end.
| A．it | B．what | C．that | D．which |
Nowhere else in the world ______ a better place than this , I think.
| A．one can find | B．one can’t find |
| C．one has found | D．can one find |
I’d appreciate ______ if you would like to teach me how to use the new computer.
| A．that | B．you | C．it | D．this |
Every event that ______ in lour life, be it good or horrible, there is always a lesson to learn from it with positive thinking.
| A．strikes | B．hits | C．occurs | D．beats |