Question

Social attention should be paid          our earth from        .

1. A.
   to prevent; being polluted
2. B.
   to preventing; polluted
3. C.
   to prevent; polluting
4. D.
   to preventing; being polluted

Answer 1

D
解析：
考查固定結(jié)構(gòu)以及被動(dòng)語態(tài)。Pay attention to sth/doing sth注意…；第一空是被動(dòng)語態(tài)；prevent sb (from) sth/doing sth阻止某人做某事；本題也是被動(dòng)語態(tài)。句意：我們應(yīng)該特別注意要阻止我們的地球被污染。