27.I don't know_____________makes her afraid of having her business discussed.
| A．what it is about Mary that | B．that is it abut Mary what |
| C．what is it about Mary that | D．that is about Mary what |
Tom took a taxi to the airport, only _____ his plane high up in the sky.
| A．finding | B．to find | C．being found | D．to have found |
（2012辽宁卷）The old couple often take a walk after supper in the park with their pet dog them.
| A．to follow | B． following | C． followed | D． follows |
（2012辽宁卷）This machine is very easy . Anybody can learn to use it in a few minutes.
| A． operating | B． to be operating | C． operated | D． to operate |
_____to work overtime that evening, I missed a wonderful film.
| A．Having been asked | B．To ask | C．Having asked | D．To be asked |
We’re having a meeting in half an hour. The decision ______ at the meeting will in the future of our company.
| A．to be made | B．being made | C．made | D．having been made |