27£®So difficult         it to acquire a large vocabulary without the help of a teacher that he was close to giving up.

       A£®he has felt           B£®has he felt           C£®he did feel           D£®did he feel

28£®There is little chance that we will manage to change the law.          , it is important that we try.

       A£®Nevertheless        B£®Therefore            C£®Otherwise            D£®Besides

29£®Whenever I meet Alice,          is pretty often, she complains to me of her troubled marriage.

       A£®who                    B£®which                 C£®when                  D£®that

30£®Today’s basketball match           as one of the most exciting matches that these two teams have ever played.

       A£®treats                  B£®thinks                 C£®ranks                  D£®regards