________ is to dance.
| A．That interests Mary really | B．Which really interests Mary. |
| C．What really interests Mary | D．What really interest Mary |
—How was the 2008 Beijing Olympic opening ceremony?
—________ that the whole world was attracted.
| A．It was very fantastic | B．Such fantastic was it |
| C．So fantastic was it | D．So fantastic it was |
________should the young _______illegal behavior.
| A．On no account, take in | B．Under no circumstances. take to |
| C．In no way, take after | D．With no means, take on |
_______,but it is also a great way to lower the number of greenhouse gases in the air.
| A．Not only a fun thing is it to do | B．Not only a fun thing to do it is |
| C．Not only it is a fun thing to do | D．Not only is it a fun thing to do |
_______, his idea was accepted by all the people at the meeting.
| A．Strange as might it sound | B．As it might sound strange |
| C．As strange it might sound | D．Strange as it might sound |
So difficult _______it to work out the problem that I decided to ask Tom for some advice.
| A．I did find | B．did I find | C．I’ve found | D．have I found |