Her health ________ under pressure of work.
| A．broke down | B．broke in | C．broke off | D．broke out |
14．This doubt had been in my mind for some time, but the research still went on____some reasons.
| A．to | B．about | C．for | D．In |
13．Not until I was a senior student_________the importance of English.
| A．I have realized | B．did I realize | C．have I realized | D．I realized |
12．There is__________in what you say; I will take your advice.
| A．everything | B．anything | C．something | D．Nothing |
11．—I passed my driving test at the first_________.
—Congratulations!
| A．purpose | B．desire | C．attempt | D．Wish |
10．The man_________at the meeting yesterday will be our new manager.
| A．was referred to | B．referred to | C．referring to | D．was referring to |