| A．those | B．that | C．both | D．it |
________ several years he has been working like this.
| A．In | B．After | C．For | D．Since |
– Are you married?
--No, still______.
| A．one | B．single | C．separate | D．myself. |
_________ surprise you have brought us!
| A．What a | B．What | C．How a | D．How |
Finally they managed to find a path _______.
| A．to follow | B．following | C．to go | D．going |
The old man came, _____a big dog.
| A．followed | B．following by | C．and following | D．followed by |