________ him not to do so, he wouldn't have made such a serious mistake.
| A．If I persuaded | B．Did I persuade |
| C．Had I persuaded | D．If I should persuade |
_______ from the top of the towel, I find the city beautiful.
| A．Seeing | B．Seen | C．To see | D．Being seen |
Only when they came ___________.
| A．I left the office | B．did I leave the office |
| C．left I the office | D．I did leave the office |
Her health ________ under pressure of work.
| A．broke down | B．broke in | C．broke off | D．broke out |
I feel it is Jack as well as his wife that _______ for their son’s bad performance at school.
| A．are to blame | B．is to be blamed | C．are to be blamed | D．is to blame |
The famous actor played _____ important role in_____ movie Beautiful life.
| A．a; the | B．an; / | C．an; the | D．a; / |