There is little doubt in your mind that he is innocent, ________/

---________ have you studied in this school?--- For about two years.

---Why do you think he can succeed?---He believes in himself, ____ is the most important, I think.

—English has a large vocabulary, _______?—Yes. Know more words and expressions and you will find _______ easier to read and communicate.

--He must have received a good education in his childhood, ________ he?--________, he is polite and well-behaved and acts like a gentleman.