I haven’t seen her ____ the time ____ she had the accident.
| A．for; that | B．since; when | C．since; as | D．for; when |
16. The story that follows _____ two famous characters of the Rocky Mountain gold rush days.
| A．concerns | B．states | C．relates | D．Refers |
15. An awful crash between an express train and a bus _____ , however, occur the other day in Russia.
A. does B. did D. has to D. had to
14. Many businessmen attended the Boao Forum (博鳌论坛) because they knew what _____ from the forum.
| A．to get | B．to be got | C．got | D．Getting |
13.The reason is____________ smoking tobacco causes illness.
A. why B because C. thatD. because of
12. Mr. Johnson enjoyed _____ by working in the factory again because he always hates _____ while staying alone at home all day long.
| A．him; that | B．it; it | C．himself; it | D．himself; that |