15. B。“It be + 形+for sb. + to do” 表示对某人来说做某事怎样(简单、困难、重要……)而of sb.表示人的性格或品质,如kind, bad, nice 等。
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Many of you are studying English
and you may be 1 why it is so difficult to learn. It's
actually not too difficult to learn 2 you know some 3 about the language and culture that it
reflects (反映). Perhaps the first thing you
need to know about English is that it is made up of several other languages 4 French, German, Latin, Greek and
AngloSaxon. In addition, there are words 5 Spanish in English and many American
Indian words and names, even some Chinese and Japanese 6 can be found in the English language.
This borrowing of words 7 other languages is 8 of the key reasons 9 some of the difficulties that people meet
with (遇到) 10 they are learning English.