英语单项选择：1、mr wang has worked as ______ english teacher for more than 10 years.

英语单项选择：1、mr wang has worked as ______ english teacher for more than 10 years.
a./ b.a c.an d.the
2、there are _____ young people in the park.
a.thousands of b.six thousands c.thousand of d.six thousand of
3、