One of the most popular Chinese TV opera series, Legend of Zhen Huan is expected on several US television stations in about six months．
| A．to be broadcast | B．to broadcast |
| C．to broadcasting | D．to be broadcasting |
Dr. Black is a professor of chemistry. _______, he is a famous writer.
| A．In all | B．In brief | C．In fact | D．In addition |
The new invention may __________a lot of changes in our daily life.
| A．result from | B．expose to | C．lead in | D．contribute to |
It _______ them three years to build this road.
| A．spent | B．took | C．spend | D．paid |
I wanted _______ you for your last letter.
| A．thanking | B．to thank | C．thank to | D．being thank |
He missed his mother very much and ________ crying.
| A．can’t help | B．couldn’t help to | C．couldn’t help | D．couldn’t to help |