. Many new means of transportation have been developed in our century, ________ perhaps the hovercraft.
| A．and the strangest of which is | B．the strangest of which being |
| C．the strangest of which is | D．and the strangest of them being |
Does your new secretary ____ short hand?
| A．know to take | B．know how to take | C．know how take | D．know how taking |
Your flat needs _____ . Would you like me it for you?
| A．to clean, to do | B．cleaning, doing | C．cleaning, to do | D．to be cleaned, doing |
_____their students, the famous teacher came into the hall.
| A．Followed | B．Followed by |
| C．Being followed | D．Having been followed |
____ more attention, the trees could have grown better.
| A．Given | B．To give | C．Giving | D．Having given |
There was a terrible noise _______ the sudden burst of Tight.
| A．followed | B．following | C．to be followed | D．being followed |