Students in United States often support themselves by babysitting, working in restaurants, or they drive taxicabs.
a.support
b.themselves
c.by
d.they drive
正确的应该是怎样啊
还有一个
If you explained the situation (to) your solicitor, he (were) able to advise you much better (than) I (can).
括号里的是可能有错的,哪个错的?