All her time________ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing |
| C．devoting to doing | D．is devoted to doing |
The big storm left, ________ a great damage to that area.
A. caused B. to cause D. having been caused D. having caused
The boy __________about at the meeting won the first prize in the English competition.
| A．talked | B．talking | C．is talking | D．who talking |
___________________, but he still couldn’t understand what I meant.
| A． Having been told many times | B．Having told many times |
| C． He had been told many times. | D．Although he had been told many times. |
Not until he took off his dark glasses ___________ he was a famous film star.
| A．had I found | B．did I find | C．I found | D．found I |
Having weekly meals together _______ to be helpful in bringing the family together.
| A．found out | B．turned out | C．figured out | D．worked out |